87031945

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17389}}^1$

素因数の和:17425

約数の個数: 32

約数和(自身を含む): 140232960

約数和(自身を除く): 53201015

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 5005, 17389, 86945, 121723, 191279, 226057, 608615, 956395, 1130285, 1338953, 1582399, 2486627, 6694765, 7911995, 12433135, 17406389, 87031945]

約数ペア:

[(1, 87031945), (5, 17406389), (7, 12433135), (11, 7911995), (13, 6694765), (35, 2486627), (55, 1582399), (65, 1338953), (77, 1130285), (91, 956395), (143, 608615), (385, 226057), (455, 191279), (715, 121723), (1001, 86945), (5005, 17389)]