1211891891

素因数分解:

$7^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1\times {\mathrm{7699}}^1$

素因数の和:8018

約数の個数: 16

約数和(自身を含む): 1404480000

約数和(自身を除く): 192588109

約数列:

[1, 7, 113, 199, 791, 1393, 7699, 22487, 53893, 157409, 869987, 1532101, 6089909, 10724707, 173127413, 1211891891]

約数ペア:

[(1, 1211891891), (7, 173127413), (113, 10724707), (199, 6089909), (791, 1532101), (1393, 869987), (7699, 157409), (22487, 53893)]