641246144

素因数分解:

$2^6\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{641}}^1$

素因数の和:707

約数の個数: 168

約数和(自身を含む): 1673077680

約数和(自身を除く): 1031831536

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 29, 32, 44, 49, 56, 58, 64, 77, 88, 98, 112, 116, 154, 176, 196, 203, 224, 232, 308, 319, 352, 392, 406, 448, 464, 539, 616, 638, 641, 704, 784, 812, 928, 1078, 1232, 1276, 1282, 1421, 1568, 1624, 1856, 2156, 2233, 2464, 2552, 2564, 2842, 3136, 3248, 4312, 4466, 4487, 4928, 5104, 5128, 5684, 6496, 7051, 8624, 8932, 8974, 10208, 10256, 11368, 12992, 14102, 15631, 17248, 17864, 17948, 18589, 20416, 20512, 22736, 28204, 31262, 31409, 34496, 35728, 35896, 37178, 41024, 45472, 49357, 56408, 62524, 62818, 71456, 71792, 74356, 90944, 98714, 112816, 125048, 125636, 130123, 142912, 143584, 148712, 197428, 204479, 225632, 250096, 251272, 260246, 287168, 297424, 345499, 394856, 408958, 451264, 500192, 502544, 520492, 594848, 690998, 789712, 817916, 910861, 1000384, 1005088, 1040984, 1189696, 1381996, 1431353, 1579424, 1635832, 1821722, 2010176, 2081968, 2763992, 2862706, 3158848, 3271664, 3643444, 4163936, 5527984, 5725412, 6543328, 7286888, 8327872, 10019471, 11055968, 11450824, 13086656, 14573776, 20038942, 22111936, 22901648, 29147552, 40077884, 45803296, 58295104, 80155768, 91606592, 160311536, 320623072, 641246144]

約数ペア:

[(1, 641246144), (2, 320623072), (4, 160311536), (7, 91606592), (8, 80155768), (11, 58295104), (14, 45803296), (16, 40077884), (22, 29147552), (28, 22901648), (29, 22111936), (32, 20038942), (44, 14573776), (49, 13086656), (56, 11450824), (58, 11055968), (64, 10019471), (77, 8327872), (88, 7286888), (98, 6543328), (112, 5725412), (116, 5527984), (154, 4163936), (176, 3643444), (196, 3271664), (203, 3158848), (224, 2862706), (232, 2763992), (308, 2081968), (319, 2010176), (352, 1821722), (392, 1635832), (406, 1579424), (448, 1431353), (464, 1381996), (539, 1189696), (616, 1040984), (638, 1005088), (641, 1000384), (704, 910861), (784, 817916), (812, 789712), (928, 690998), (1078, 594848), (1232, 520492), (1276, 502544), (1282, 500192), (1421, 451264), (1568, 408958), (1624, 394856), (1856, 345499), (2156, 297424), (2233, 287168), (2464, 260246), (2552, 251272), (2564, 250096), (2842, 225632), (3136, 204479), (3248, 197428), (4312, 148712), (4466, 143584), (4487, 142912), (4928, 130123), (5104, 125636), (5128, 125048), (5684, 112816), (6496, 98714), (7051, 90944), (8624, 74356), (8932, 71792), (8974, 71456), (10208, 62818), (10256, 62524), (11368, 56408), (12992, 49357), (14102, 45472), (15631, 41024), (17248, 37178), (17864, 35896), (17948, 35728), (18589, 34496), (20416, 31409), (20512, 31262), (22736, 28204)]