31997770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{1381}}^1$

素因数の和:1726

約数の個数: 32

約数和(自身を含む): 66070656

約数和(自身を除く): 34072886

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 331, 662, 1381, 1655, 2317, 2762, 3310, 4634, 6905, 9667, 11585, 13810, 19334, 23170, 48335, 96670, 457111, 914222, 2285555, 3199777, 4571110, 6399554, 15998885, 31997770]

約数ペア:

[(1, 31997770), (2, 15998885), (5, 6399554), (7, 4571110), (10, 3199777), (14, 2285555), (35, 914222), (70, 457111), (331, 96670), (662, 48335), (1381, 23170), (1655, 19334), (2317, 13810), (2762, 11585), (3310, 9667), (4634, 6905)]