221401025

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{3541}}^1$

素因数の和:3653

約数の個数: 24

約数和(自身を含む): 285924408

約数和(自身を除く): 64523383

約数列:

[1, 5, 25, 41, 61, 205, 305, 1025, 1525, 2501, 3541, 12505, 17705, 62525, 88525, 145181, 216001, 725905, 1080005, 3629525, 5400025, 8856041, 44280205, 221401025]

約数ペア:

[(1, 221401025), (5, 44280205), (25, 8856041), (41, 5400025), (61, 3629525), (205, 1080005), (305, 725905), (1025, 216001), (1525, 145181), (2501, 88525), (3541, 62525), (12505, 17705)]