128335948

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{40459}}^1$

素因数の和:40537

約数の個数: 24

約数和(自身を含む): 245834960

約数和(自身を除く): 117499012

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 40459, 80918, 161836, 525967, 1051934, 2103868, 2467999, 4935998, 9871996, 32083987, 64167974, 128335948]

約数ペア:

[(1, 128335948), (2, 64167974), (4, 32083987), (13, 9871996), (26, 4935998), (52, 2467999), (61, 2103868), (122, 1051934), (244, 525967), (793, 161836), (1586, 80918), (3172, 40459)]