1285990156

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{131063}}^1$

素因数の和:131301

約数の個数: 24

約数和(自身を含む): 2466100224

約数和(自身を除く): 1180110068

約数列:

[1, 2, 4, 11, 22, 44, 223, 446, 892, 2453, 4906, 9812, 131063, 262126, 524252, 1441693, 2883386, 5766772, 29227049, 58454098, 116908196, 321497539, 642995078, 1285990156]

約数ペア:

[(1, 1285990156), (2, 642995078), (4, 321497539), (11, 116908196), (22, 58454098), (44, 29227049), (223, 5766772), (446, 2883386), (892, 1441693), (2453, 524252), (4906, 262126), (9812, 131063)]