1285187905

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{947}}^1\times {\mathrm{11801}}^1$

素因数の和:12776

約数の個数: 16

約数和(自身を含む): 1611114624

約数和(自身を除く): 325926719

約数列:

[1, 5, 23, 115, 947, 4735, 11801, 21781, 59005, 108905, 271423, 1357115, 11175547, 55877735, 257037581, 1285187905]

約数ペア:

[(1, 1285187905), (5, 257037581), (23, 55877735), (115, 11175547), (947, 1357115), (4735, 271423), (11801, 108905), (21781, 59005)]