664849910

素因数分解:

$2^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{200861}}^1$

素因数の和:201199

約数の個数: 16

約数和(自身を含む): 1200351312

約数和(自身を除く): 535501402

約数列:

[1, 2, 5, 10, 331, 662, 1655, 3310, 200861, 401722, 1004305, 2008610, 66484991, 132969982, 332424955, 664849910]

約数ペア:

[(1, 664849910), (2, 332424955), (5, 132969982), (10, 66484991), (331, 2008610), (662, 1004305), (1655, 401722), (3310, 200861)]