87021886

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1\times {\mathrm{331}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 152029440

約数和(自身を除く): 65007554

約数列:

[1, 2, 7, 14, 89, 178, 211, 331, 422, 623, 662, 1246, 1477, 2317, 2954, 4634, 18779, 29459, 37558, 58918, 69841, 131453, 139682, 206213, 262906, 412426, 488887, 977774, 6215849, 12431698, 43510943, 87021886]

約数ペア:

[(1, 87021886), (2, 43510943), (7, 12431698), (14, 6215849), (89, 977774), (178, 488887), (211, 412426), (331, 262906), (422, 206213), (623, 139682), (662, 131453), (1246, 69841), (1477, 58918), (2317, 37558), (2954, 29459), (4634, 18779)]