81947964

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1$

素因数の和:379

約数の個数: 96

約数和(自身を含む): 226437120

約数和(自身を除く): 144489156

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 53, 79, 84, 106, 158, 159, 212, 233, 237, 316, 318, 371, 466, 474, 553, 636, 699, 742, 932, 948, 1106, 1113, 1398, 1484, 1631, 1659, 2212, 2226, 2796, 3262, 3318, 4187, 4452, 4893, 6524, 6636, 8374, 9786, 12349, 12561, 16748, 18407, 19572, 24698, 25122, 29309, 36814, 37047, 49396, 50244, 55221, 58618, 73628, 74094, 86443, 87927, 110442, 117236, 128849, 148188, 172886, 175854, 220884, 257698, 259329, 345772, 351708, 386547, 515396, 518658, 773094, 975571, 1037316, 1546188, 1951142, 2926713, 3902284, 5853426, 6828997, 11706852, 13657994, 20486991, 27315988, 40973982, 81947964]

約数ペア:

[(1, 81947964), (2, 40973982), (3, 27315988), (4, 20486991), (6, 13657994), (7, 11706852), (12, 6828997), (14, 5853426), (21, 3902284), (28, 2926713), (42, 1951142), (53, 1546188), (79, 1037316), (84, 975571), (106, 773094), (158, 518658), (159, 515396), (212, 386547), (233, 351708), (237, 345772), (316, 259329), (318, 257698), (371, 220884), (466, 175854), (474, 172886), (553, 148188), (636, 128849), (699, 117236), (742, 110442), (932, 87927), (948, 86443), (1106, 74094), (1113, 73628), (1398, 58618), (1484, 55221), (1631, 50244), (1659, 49396), (2212, 37047), (2226, 36814), (2796, 29309), (3262, 25122), (3318, 24698), (4187, 19572), (4452, 18407), (4893, 16748), (6524, 12561), (6636, 12349), (8374, 9786)]