71311108

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{251}}^1\times {\mathrm{587}}^1$

素因数の和:864

約数の個数: 36

約数和(自身を含む): 137951856

約数和(自身を除く): 66640748

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 251, 484, 502, 587, 1004, 1174, 2348, 2761, 5522, 6457, 11044, 12914, 25828, 30371, 60742, 71027, 121484, 142054, 147337, 284108, 294674, 589348, 1620707, 3241414, 6482828, 17827777, 35655554, 71311108]

約数ペア:

[(1, 71311108), (2, 35655554), (4, 17827777), (11, 6482828), (22, 3241414), (44, 1620707), (121, 589348), (242, 294674), (251, 284108), (484, 147337), (502, 142054), (587, 121484), (1004, 71027), (1174, 60742), (2348, 30371), (2761, 25828), (5522, 12914), (6457, 11044)]