39957905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{36161}}^1$

素因数の和:36196

約数の個数: 16

約数和(自身を含む): 54676944

約数和(自身を除く): 14719039

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 36161, 180805, 470093, 614737, 2350465, 3073685, 7991581, 39957905]

約数ペア:

[(1, 39957905), (5, 7991581), (13, 3073685), (17, 2350465), (65, 614737), (85, 470093), (221, 180805), (1105, 36161)]