645012575

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{727}}^1\times {\mathrm{1543}}^1$

素因数の和:2303

約数の個数: 24

約数和(自身を含む): 836279808

約数和(自身を除く): 191267233

約数列:

[1, 5, 23, 25, 115, 575, 727, 1543, 3635, 7715, 16721, 18175, 35489, 38575, 83605, 177445, 418025, 887225, 1121761, 5608805, 25800503, 28044025, 129002515, 645012575]

約数ペア:

[(1, 645012575), (5, 129002515), (23, 28044025), (25, 25800503), (115, 5608805), (575, 1121761), (727, 887225), (1543, 418025), (3635, 177445), (7715, 83605), (16721, 38575), (18175, 35489)]