138880390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{11173}}^1$

素因数の和:11304

約数の個数: 32

約数和(自身を含む): 275148576

約数和(自身を除く): 136268186

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 113, 226, 565, 1130, 1243, 2486, 6215, 11173, 12430, 22346, 55865, 111730, 122903, 245806, 614515, 1229030, 1262549, 2525098, 6312745, 12625490, 13888039, 27776078, 69440195, 138880390]

約数ペア:

[(1, 138880390), (2, 69440195), (5, 27776078), (10, 13888039), (11, 12625490), (22, 6312745), (55, 2525098), (110, 1262549), (113, 1229030), (226, 614515), (565, 245806), (1130, 122903), (1243, 111730), (2486, 55865), (6215, 22346), (11173, 12430)]