131217916

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{4621}}^1$

素因数の和:4885

約数の個数: 24

約数和(自身を含む): 238125440

約数和(自身を除く): 106907524

約数列:

[1, 2, 4, 31, 62, 124, 229, 458, 916, 4621, 7099, 9242, 14198, 18484, 28396, 143251, 286502, 573004, 1058209, 2116418, 4232836, 32804479, 65608958, 131217916]

約数ペア:

[(1, 131217916), (2, 65608958), (4, 32804479), (31, 4232836), (62, 2116418), (124, 1058209), (229, 573004), (458, 286502), (916, 143251), (4621, 28396), (7099, 18484), (9242, 14198)]