390015886

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{145637}}^1$

素因数の和:145755

約数の個数: 16

約数和(自身を含む): 636146784

約数和(自身を除く): 246130898

約数列:

[1, 2, 13, 26, 103, 206, 1339, 2678, 145637, 291274, 1893281, 3786562, 15000611, 30001222, 195007943, 390015886]

約数ペア:

[(1, 390015886), (2, 195007943), (13, 30001222), (26, 15000611), (103, 3786562), (206, 1893281), (1339, 291274), (2678, 145637)]