1390690609

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{2580131}}^1$

素因数の和:2580156

約数の個数: 12

約数和(自身を含む): 1764810288

約数和(自身を除く): 374119679

約数列:

[1, 7, 11, 49, 77, 539, 2580131, 18060917, 28381441, 126426419, 198670087, 1390690609]

約数ペア:

[(1, 1390690609), (7, 198670087), (11, 126426419), (49, 28381441), (77, 18060917), (539, 2580131)]