389392705

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{193247}}^1$

素因数の和:193296

約数の個数: 16

約数和(自身を含む): 519450624

約数和(自身を除く): 130057919

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 193247, 966235, 2512211, 5990657, 12561055, 29953285, 77878541, 389392705]

約数ペア:

[(1, 389392705), (5, 77878541), (13, 29953285), (31, 12561055), (65, 5990657), (155, 2512211), (403, 966235), (2015, 193247)]