28655665

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{1999}}^1$

素因数の和:2112

約数の個数: 16

約数和(自身を含む): 35712000

約数和(自身を除く): 7056335

約数列:

[1, 5, 47, 61, 235, 305, 1999, 2867, 9995, 14335, 93953, 121939, 469765, 609695, 5731133, 28655665]

約数ペア:

[(1, 28655665), (5, 5731133), (47, 609695), (61, 469765), (235, 121939), (305, 93953), (1999, 14335), (2867, 9995)]