256173697

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{8461}}^1$

素因数の和:8628

約数の個数: 16

約数和(自身を含む): 294274512

約数和(自身を除く): 38100815

約数列:

[1, 13, 17, 137, 221, 1781, 2329, 8461, 30277, 109993, 143837, 1159157, 1869881, 15069041, 19705669, 256173697]

約数ペア:

[(1, 256173697), (13, 19705669), (17, 15069041), (137, 1869881), (221, 1159157), (1781, 143837), (2329, 109993), (8461, 30277)]