66690949

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:349

約数の個数: 24

約数和(自身を含む): 77474880

約数和(自身を除く): 10783931

約数列:

[1, 13, 17, 139, 167, 169, 221, 1807, 2171, 2363, 2839, 2873, 23213, 23491, 28223, 30719, 36907, 301769, 394621, 399347, 479791, 3922997, 5130073, 66690949]

約数ペア:

[(1, 66690949), (13, 5130073), (17, 3922997), (139, 479791), (167, 399347), (169, 394621), (221, 301769), (1807, 36907), (2171, 30719), (2363, 28223), (2839, 23491), (2873, 23213)]