28009585

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1151}}^1$

素因数の和:1344

約数の個数: 16

約数和(自身を含む): 34947072

約数和(自身を除く): 6937487

約数列:

[1, 5, 31, 155, 157, 785, 1151, 4867, 5755, 24335, 35681, 178405, 180707, 903535, 5601917, 28009585]

約数ペア:

[(1, 28009585), (5, 5601917), (31, 903535), (155, 180707), (157, 178405), (785, 35681), (1151, 24335), (4867, 5755)]