13971815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19541}}^1$

素因数の和:19570

約数の個数: 16

約数和(自身を含む): 19698336

約数和(自身を除く): 5726521

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 19541, 97705, 214951, 254033, 1074755, 1270165, 2794363, 13971815]

約数ペア:

[(1, 13971815), (5, 2794363), (11, 1270165), (13, 1074755), (55, 254033), (65, 214951), (143, 97705), (715, 19541)]