397281025

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{307}}^1\times {\mathrm{1399}}^1$

素因数の和:1753

約数の個数: 24

約数和(自身を含む): 507953600

約数和(自身を除く): 110672575

約数列:

[1, 5, 25, 37, 185, 307, 925, 1399, 1535, 6995, 7675, 11359, 34975, 51763, 56795, 258815, 283975, 429493, 1294075, 2147465, 10737325, 15891241, 79456205, 397281025]

約数ペア:

[(1, 397281025), (5, 79456205), (25, 15891241), (37, 10737325), (185, 2147465), (307, 1294075), (925, 429493), (1399, 283975), (1535, 258815), (6995, 56795), (7675, 51763), (11359, 34975)]