11720191

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{661}}^1$

素因数の和:834

約数の個数: 16

約数和(自身を含む): 14299200

約数和(自身を除く): 2579009

約数列:

[1, 7, 17, 119, 149, 661, 1043, 2533, 4627, 11237, 17731, 78659, 98489, 689423, 1674313, 11720191]

約数ペア:

[(1, 11720191), (7, 1674313), (17, 689423), (119, 98489), (149, 78659), (661, 17731), (1043, 11237), (2533, 4627)]