161020065025

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{149786107}}^1$

素因数の和:149786160

約数の個数: 12

約数和(自身を含む): 204308251312

約数和(自身を除く): 43288186287

約数列:

[1, 5, 25, 43, 215, 1075, 149786107, 748930535, 3744652675, 6440802601, 32204013005, 161020065025]

約数ペア:

[(1, 161020065025), (5, 32204013005), (25, 6440802601), (43, 3744652675), (215, 748930535), (1075, 149786107)]