72161885

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1\times {\mathrm{887}}^1$

素因数の和:1252

約数の個数: 16

約数和(自身を含む): 88615296

約数和(自身を除く): 16453411

約数列:

[1, 5, 53, 265, 307, 887, 1535, 4435, 16271, 47011, 81355, 235055, 272309, 1361545, 14432377, 72161885]

約数ペア:

[(1, 72161885), (5, 14432377), (53, 1361545), (265, 272309), (307, 235055), (887, 81355), (1535, 47011), (4435, 16271)]