28212665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{1801}}^1$

素因数の和:2060

約数の個数: 16

約数和(自身を含む): 36631056

約数和(自身を除く): 8418391

約数列:

[1, 5, 13, 65, 241, 1205, 1801, 3133, 9005, 15665, 23413, 117065, 434041, 2170205, 5642533, 28212665]

約数ペア:

[(1, 28212665), (5, 5642533), (13, 2170205), (65, 434041), (241, 117065), (1205, 23413), (1801, 15665), (3133, 9005)]