686270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5279}}^1$

素因数の和:5299

約数の個数: 16

約数和(自身を含む): 1330560

約数和(自身を除く): 644290

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 5279, 10558, 26395, 52790, 68627, 137254, 343135, 686270]

約数ペア:

[(1, 686270), (2, 343135), (5, 137254), (10, 68627), (13, 52790), (26, 26395), (65, 10558), (130, 5279)]