161856145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{19489}}^1$

素因数の和:19656

約数の個数: 16

約数和(自身を含む): 213298560

約数和(自身を除く): 51442415

約数列:

[1, 5, 11, 55, 151, 755, 1661, 8305, 19489, 97445, 214379, 1071895, 2942839, 14714195, 32371229, 161856145]

約数ペア:

[(1, 161856145), (5, 32371229), (11, 14714195), (55, 2942839), (151, 1071895), (755, 214379), (1661, 97445), (8305, 19489)]