9991025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{773}}^1$

素因数の和:841

約数の個数: 24

約数和(自身を含む): 13820544

約数和(自身を除く): 3829519

約数列:

[1, 5, 11, 25, 47, 55, 235, 275, 517, 773, 1175, 2585, 3865, 8503, 12925, 19325, 36331, 42515, 181655, 212575, 399641, 908275, 1998205, 9991025]

約数ペア:

[(1, 9991025), (5, 1998205), (11, 908275), (25, 399641), (47, 212575), (55, 181655), (235, 42515), (275, 36331), (517, 19325), (773, 12925), (1175, 8503), (2585, 3865)]