31643664

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:217

約数の個数: 160

約数和(自身を含む): 98743680

約数和(自身を除く): 67100016

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 19, 24, 26, 34, 38, 39, 48, 51, 52, 57, 68, 76, 78, 102, 104, 114, 136, 152, 156, 157, 204, 208, 221, 228, 247, 272, 304, 312, 314, 323, 408, 442, 456, 471, 494, 624, 628, 646, 663, 741, 816, 884, 912, 942, 969, 988, 1256, 1292, 1326, 1482, 1768, 1884, 1938, 1976, 2041, 2512, 2584, 2652, 2669, 2964, 2983, 3536, 3768, 3876, 3952, 4082, 4199, 5168, 5304, 5338, 5928, 5966, 6123, 7536, 7752, 8007, 8164, 8398, 8949, 10608, 10676, 11856, 11932, 12246, 12597, 15504, 16014, 16328, 16796, 17898, 21352, 23864, 24492, 25194, 32028, 32656, 33592, 34697, 35796, 38779, 42704, 47728, 48984, 50388, 50711, 64056, 67184, 69394, 71592, 77558, 97968, 100776, 101422, 104091, 116337, 128112, 138788, 143184, 152133, 155116, 201552, 202844, 208182, 232674, 277576, 304266, 310232, 405688, 416364, 465348, 555152, 608532, 620464, 659243, 811376, 832728, 930696, 1217064, 1318486, 1665456, 1861392, 1977729, 2434128, 2636972, 3955458, 5273944, 7910916, 10547888, 15821832, 31643664]

約数ペア:

[(1, 31643664), (2, 15821832), (3, 10547888), (4, 7910916), (6, 5273944), (8, 3955458), (12, 2636972), (13, 2434128), (16, 1977729), (17, 1861392), (19, 1665456), (24, 1318486), (26, 1217064), (34, 930696), (38, 832728), (39, 811376), (48, 659243), (51, 620464), (52, 608532), (57, 555152), (68, 465348), (76, 416364), (78, 405688), (102, 310232), (104, 304266), (114, 277576), (136, 232674), (152, 208182), (156, 202844), (157, 201552), (204, 155116), (208, 152133), (221, 143184), (228, 138788), (247, 128112), (272, 116337), (304, 104091), (312, 101422), (314, 100776), (323, 97968), (408, 77558), (442, 71592), (456, 69394), (471, 67184), (494, 64056), (624, 50711), (628, 50388), (646, 48984), (663, 47728), (741, 42704), (816, 38779), (884, 35796), (912, 34697), (942, 33592), (969, 32656), (988, 32028), (1256, 25194), (1292, 24492), (1326, 23864), (1482, 21352), (1768, 17898), (1884, 16796), (1938, 16328), (1976, 16014), (2041, 15504), (2512, 12597), (2584, 12246), (2652, 11932), (2669, 11856), (2964, 10676), (2983, 10608), (3536, 8949), (3768, 8398), (3876, 8164), (3952, 8007), (4082, 7752), (4199, 7536), (5168, 6123), (5304, 5966), (5338, 5928)]