1998035

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{521}}^1$

素因数の和:598

約数の個数: 16

約数和(自身を含む): 2630880

約数和(自身を除く): 632845

約数列:

[1, 5, 13, 59, 65, 295, 521, 767, 2605, 3835, 6773, 30739, 33865, 153695, 399607, 1998035]

約数ペア:

[(1, 1998035), (5, 399607), (13, 153695), (59, 33865), (65, 30739), (295, 6773), (521, 3835), (767, 2605)]