407497324

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{128467}}^1$

素因数の和:128545

約数の個数: 24

約数和(自身を含む): 780571568

約数和(自身を除く): 373074244

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 128467, 256934, 513868, 1670071, 3340142, 6680284, 7836487, 15672974, 31345948, 101874331, 203748662, 407497324]

約数ペア:

[(1, 407497324), (2, 203748662), (4, 101874331), (13, 31345948), (26, 15672974), (52, 7836487), (61, 6680284), (122, 3340142), (244, 1670071), (793, 513868), (1586, 256934), (3172, 128467)]