16111225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{557}}^1$

素因数の和:669

約数の個数: 24

約数和(自身を含む): 21795480

約数和(自身を除く): 5684255

約数列:

[1, 5, 13, 25, 65, 89, 325, 445, 557, 1157, 2225, 2785, 5785, 7241, 13925, 28925, 36205, 49573, 181025, 247865, 644449, 1239325, 3222245, 16111225]

約数ペア:

[(1, 16111225), (5, 3222245), (13, 1239325), (25, 644449), (65, 247865), (89, 181025), (325, 49573), (445, 36205), (557, 28925), (1157, 13925), (2225, 7241), (2785, 5785)]