156631225

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{271}}^1\times {\mathrm{379}}^1$

素因数の和:721

約数の個数: 24

約数和(自身を含む): 198657920

約数和(自身を除く): 42026695

約数列:

[1, 5, 25, 61, 271, 305, 379, 1355, 1525, 1895, 6775, 9475, 16531, 23119, 82655, 102709, 115595, 413275, 513545, 577975, 2567725, 6265249, 31326245, 156631225]

約数ペア:

[(1, 156631225), (5, 31326245), (25, 6265249), (61, 2567725), (271, 577975), (305, 513545), (379, 413275), (1355, 115595), (1525, 102709), (1895, 82655), (6775, 23119), (9475, 16531)]