7228025

素因数分解:

$5^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{401}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 10368384

約数和(自身を除く): 3140359

約数列:

[1, 5, 7, 25, 35, 103, 175, 401, 515, 721, 2005, 2575, 2807, 3605, 10025, 14035, 18025, 41303, 70175, 206515, 289121, 1032575, 1445605, 7228025]

約数ペア:

[(1, 7228025), (5, 1445605), (7, 1032575), (25, 289121), (35, 206515), (103, 70175), (175, 41303), (401, 18025), (515, 14035), (721, 10025), (2005, 3605), (2575, 2807)]