1725490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1021}}^1$

素因数の和:1054

約数の個数: 24

約数和(自身を含む): 3366468

約数和(自身を除く): 1640978

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1021, 1690, 2042, 5105, 10210, 13273, 26546, 66365, 132730, 172549, 345098, 862745, 1725490]

約数ペア:

[(1, 1725490), (2, 862745), (5, 345098), (10, 172549), (13, 132730), (26, 66365), (65, 26546), (130, 13273), (169, 10210), (338, 5105), (845, 2042), (1021, 1690)]