2052115

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:390

約数の個数: 16

約数和(自身を含む): 2683296

約数和(自身を除く): 631181

約数列:

[1, 5, 13, 65, 131, 241, 655, 1205, 1703, 3133, 8515, 15665, 31571, 157855, 410423, 2052115]

約数ペア:

[(1, 2052115), (5, 410423), (13, 157855), (65, 31571), (131, 15665), (241, 8515), (655, 3133), (1205, 1703)]