138839404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{28949}}^1$

素因数の和:29073

約数の個数: 24

約数和(自身を含む): 267498000

約数和(自身を除く): 128658596

約数列:

[1, 2, 4, 11, 22, 44, 109, 218, 436, 1199, 2398, 4796, 28949, 57898, 115796, 318439, 636878, 1273756, 3155441, 6310882, 12621764, 34709851, 69419702, 138839404]

約数ペア:

[(1, 138839404), (2, 69419702), (4, 34709851), (11, 12621764), (22, 6310882), (44, 3155441), (109, 1273756), (218, 636878), (436, 318439), (1199, 115796), (2398, 57898), (4796, 28949)]