201631885

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{443147}}^1$

素因数の和:443172

約数の個数: 16

約数和(自身を含む): 297795456

約数和(自身を除く): 96163571

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 443147, 2215735, 3102029, 5760911, 15510145, 28804555, 40326377, 201631885]

約数ペア:

[(1, 201631885), (5, 40326377), (7, 28804555), (13, 15510145), (35, 5760911), (65, 3102029), (91, 2215735), (455, 443147)]