28721044

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{59341}}^1$

素因数の和:59367

約数の個数: 18

約数和(自身を含む): 55247402

約数和(自身を除く): 26526358

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 59341, 118682, 237364, 652751, 1305502, 2611004, 7180261, 14360522, 28721044]

約数ペア:

[(1, 28721044), (2, 14360522), (4, 7180261), (11, 2611004), (22, 1305502), (44, 652751), (121, 237364), (242, 118682), (484, 59341)]