31381055888

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1303}}^1$

素因数の和:1494

約数の個数: 240

約数和(自身を含む): 81291047040

約数和(自身を除く): 49909991152

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 34, 49, 52, 56, 68, 91, 98, 104, 112, 119, 136, 139, 182, 196, 208, 221, 238, 272, 278, 364, 392, 442, 476, 556, 637, 728, 784, 833, 884, 952, 973, 1112, 1274, 1303, 1456, 1547, 1666, 1768, 1807, 1904, 1946, 2224, 2363, 2548, 2606, 3094, 3332, 3536, 3614, 3892, 4726, 5096, 5212, 6188, 6664, 6811, 7228, 7784, 9121, 9452, 10192, 10424, 10829, 12376, 12649, 13328, 13622, 14456, 15568, 16541, 16939, 18242, 18904, 20848, 21658, 22151, 24752, 25298, 27244, 28912, 30719, 33082, 33878, 36484, 37808, 43316, 44302, 50596, 54488, 61438, 63847, 66164, 67756, 72968, 86632, 88543, 88604, 101192, 108976, 115787, 118573, 122876, 127694, 132328, 135512, 145936, 155057, 173264, 177086, 177208, 181117, 202384, 215033, 231574, 237146, 245752, 255388, 264656, 271024, 287963, 310114, 354172, 354416, 362234, 430066, 463148, 474292, 491504, 510776, 575926, 620228, 708344, 724468, 830011, 860132, 926296, 948584, 1021552, 1085399, 1151852, 1240456, 1267819, 1416688, 1448936, 1505231, 1660022, 1720264, 1852592, 1897168, 2015741, 2170798, 2303704, 2354521, 2480912, 2535638, 2897872, 3010462, 3078989, 3320044, 3440528, 4031482, 4341596, 4607408, 4709042, 5071276, 6020924, 6157978, 6640088, 8062964, 8683192, 8874733, 9418084, 10142552, 12041848, 12315956, 13280176, 14110187, 16125928, 16481647, 17366384, 17749466, 18836168, 20285104, 21552923, 24083696, 24631912, 28220374, 32251856, 32963294, 35498932, 37672336, 40026857, 43105846, 49263824, 56440748, 65926588, 70997864, 80053714, 86211692, 112881496, 115371529, 131853176, 141995728, 150870461, 160107428, 172423384, 225762992, 230743058, 263706352, 280187999, 301740922, 320214856, 344846768, 461486116, 560375998, 603481844, 640429712, 922972232, 1120751996, 1206963688, 1845944464, 1961315993, 2241503992, 2413927376, 3922631986, 4483007984, 7845263972, 15690527944, 31381055888]

約数ペア:

[(1, 31381055888), (2, 15690527944), (4, 7845263972), (7, 4483007984), (8, 3922631986), (13, 2413927376), (14, 2241503992), (16, 1961315993), (17, 1845944464), (26, 1206963688), (28, 1120751996), (34, 922972232), (49, 640429712), (52, 603481844), (56, 560375998), (68, 461486116), (91, 344846768), (98, 320214856), (104, 301740922), (112, 280187999), (119, 263706352), (136, 230743058), (139, 225762992), (182, 172423384), (196, 160107428), (208, 150870461), (221, 141995728), (238, 131853176), (272, 115371529), (278, 112881496), (364, 86211692), (392, 80053714), (442, 70997864), (476, 65926588), (556, 56440748), (637, 49263824), (728, 43105846), (784, 40026857), (833, 37672336), (884, 35498932), (952, 32963294), (973, 32251856), (1112, 28220374), (1274, 24631912), (1303, 24083696), (1456, 21552923), (1547, 20285104), (1666, 18836168), (1768, 17749466), (1807, 17366384), (1904, 16481647), (1946, 16125928), (2224, 14110187), (2363, 13280176), (2548, 12315956), (2606, 12041848), (3094, 10142552), (3332, 9418084), (3536, 8874733), (3614, 8683192), (3892, 8062964), (4726, 6640088), (5096, 6157978), (5212, 6020924), (6188, 5071276), (6664, 4709042), (6811, 4607408), (7228, 4341596), (7784, 4031482), (9121, 3440528), (9452, 3320044), (10192, 3078989), (10424, 3010462), (10829, 2897872), (12376, 2535638), (12649, 2480912), (13328, 2354521), (13622, 2303704), (14456, 2170798), (15568, 2015741), (16541, 1897168), (16939, 1852592), (18242, 1720264), (18904, 1660022), (20848, 1505231), (21658, 1448936), (22151, 1416688), (24752, 1267819), (25298, 1240456), (27244, 1151852), (28912, 1085399), (30719, 1021552), (33082, 948584), (33878, 926296), (36484, 860132), (37808, 830011), (43316, 724468), (44302, 708344), (50596, 620228), (54488, 575926), (61438, 510776), (63847, 491504), (66164, 474292), (67756, 463148), (72968, 430066), (86632, 362234), (88543, 354416), (88604, 354172), (101192, 310114), (108976, 287963), (115787, 271024), (118573, 264656), (122876, 255388), (127694, 245752), (132328, 237146), (135512, 231574), (145936, 215033), (155057, 202384), (173264, 181117), (177086, 177208)]