220971436

素因数分解:

$2^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{78137}}^1$

素因数の和:78249

約数の個数: 24

約数和(自身を含む): 446324256

約数和(自身を除く): 225352820

約数列:

[1, 2, 4, 7, 14, 28, 101, 202, 404, 707, 1414, 2828, 78137, 156274, 312548, 546959, 1093918, 2187836, 7891837, 15783674, 31567348, 55242859, 110485718, 220971436]

約数ペア:

[(1, 220971436), (2, 110485718), (4, 55242859), (7, 31567348), (14, 15783674), (28, 7891837), (101, 2187836), (202, 1093918), (404, 546959), (707, 312548), (1414, 156274), (2828, 78137)]