128315964

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{2311}}^1$

素因数の和:2986

約数の個数: 48

約数和(自身を含む): 342841856

約数和(自身を除く): 214525892

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 661, 1322, 1983, 2311, 2644, 3966, 4622, 4627, 6933, 7932, 9244, 9254, 13866, 13881, 16177, 18508, 27732, 27762, 32354, 48531, 55524, 64708, 97062, 194124, 1527571, 3055142, 4582713, 6110284, 9165426, 10692997, 18330852, 21385994, 32078991, 42771988, 64157982, 128315964]

約数ペア:

[(1, 128315964), (2, 64157982), (3, 42771988), (4, 32078991), (6, 21385994), (7, 18330852), (12, 10692997), (14, 9165426), (21, 6110284), (28, 4582713), (42, 3055142), (84, 1527571), (661, 194124), (1322, 97062), (1983, 64708), (2311, 55524), (2644, 48531), (3966, 32354), (4622, 27762), (4627, 27732), (6933, 18508), (7932, 16177), (9244, 13881), (9254, 13866)]