745068025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{5717}}^1$

素因数の和:6141

約数の個数: 24

約数和(自身を含む): 997608024

約数和(自身を除く): 252539999

約数列:

[1, 5, 13, 25, 65, 325, 401, 2005, 5213, 5717, 10025, 26065, 28585, 74321, 130325, 142925, 371605, 1858025, 2292517, 11462585, 29802721, 57312925, 149013605, 745068025]

約数ペア:

[(1, 745068025), (5, 149013605), (13, 57312925), (25, 29802721), (65, 11462585), (325, 2292517), (401, 1858025), (2005, 371605), (5213, 142925), (5717, 130325), (10025, 74321), (26065, 28585)]