161661695

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67219}}^1$

素因数の和:67274

約数の個数: 16

約数和(自身を含む): 214566240

約数和(自身を除く): 52904545

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 67219, 336095, 873847, 2487103, 4369235, 12435515, 32332339, 161661695]

約数ペア:

[(1, 161661695), (5, 32332339), (13, 12435515), (37, 4369235), (65, 2487103), (185, 873847), (481, 336095), (2405, 67219)]