31540496

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{151637}}^1$

素因数の和:151658

約数の個数: 20

約数和(自身を含む): 65810892

約数和(自身を除く): 34270396

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 151637, 303274, 606548, 1213096, 1971281, 2426192, 3942562, 7885124, 15770248, 31540496]

約数ペア:

[(1, 31540496), (2, 15770248), (4, 7885124), (8, 3942562), (13, 2426192), (16, 1971281), (26, 1213096), (52, 606548), (104, 303274), (208, 151637)]