8920505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2749}}^1$

素因数の和:2824

約数の個数: 16

約数和(自身を含む): 11880000

約数和(自身を除く): 2959495

約数列:

[1, 5, 11, 55, 59, 295, 649, 2749, 3245, 13745, 30239, 151195, 162191, 810955, 1784101, 8920505]

約数ペア:

[(1, 8920505), (5, 1784101), (11, 810955), (55, 162191), (59, 151195), (295, 30239), (649, 13745), (2749, 3245)]