1397630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{827}}^1$

素因数の和:860

約数の個数: 24

約数和(自身を含む): 2727432

約数和(自身を除く): 1329802

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 827, 845, 1654, 1690, 4135, 8270, 10751, 21502, 53755, 107510, 139763, 279526, 698815, 1397630]

約数ペア:

[(1, 1397630), (2, 698815), (5, 279526), (10, 139763), (13, 107510), (26, 53755), (65, 21502), (130, 10751), (169, 8270), (338, 4135), (827, 1690), (845, 1654)]