71528905

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{33503}}^1$

素因数の和:33576

約数の個数: 16

約数和(自身を含む): 99707904

約数和(自身を除く): 28178999

約数列:

[1, 5, 7, 35, 61, 305, 427, 2135, 33503, 167515, 234521, 1172605, 2043683, 10218415, 14305781, 71528905]

約数ペア:

[(1, 71528905), (5, 14305781), (7, 10218415), (35, 2043683), (61, 1172605), (305, 234521), (427, 167515), (2135, 33503)]