87212188

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{51061}}^1$

素因数の和:51133

約数の個数: 24

約数和(自身を含む): 177287264

約数和(自身を除く): 90075076

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 51061, 102122, 204244, 357427, 714854, 1429708, 3114721, 6229442, 12458884, 21803047, 43606094, 87212188]

約数ペア:

[(1, 87212188), (2, 43606094), (4, 21803047), (7, 12458884), (14, 6229442), (28, 3114721), (61, 1429708), (122, 714854), (244, 357427), (427, 204244), (854, 102122), (1708, 51061)]