90938029

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{1559}}^1$

素因数の和:2220

約数の個数: 16

約数和(自身を含む): 112170240

約数和(自身を除く): 21232211

約数列:

[1, 7, 13, 91, 641, 1559, 4487, 8333, 10913, 20267, 58331, 141869, 999319, 6995233, 12991147, 90938029]

約数ペア:

[(1, 90938029), (7, 12991147), (13, 6995233), (91, 999319), (641, 141869), (1559, 58331), (4487, 20267), (8333, 10913)]