870870221

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{443}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 995852928

約数和(自身を除く): 124982707

約数列:

[1, 13, 37, 61, 67, 443, 481, 793, 871, 2257, 2479, 4087, 5759, 16391, 27023, 29341, 29681, 32227, 53131, 151219, 213083, 351299, 385853, 999851, 1098197, 1810541, 1965847, 12998063, 14276561, 23537033, 66990017, 870870221]

約数ペア:

[(1, 870870221), (13, 66990017), (37, 23537033), (61, 14276561), (67, 12998063), (443, 1965847), (481, 1810541), (793, 1098197), (871, 999851), (2257, 385853), (2479, 351299), (4087, 213083), (5759, 151219), (16391, 53131), (27023, 32227), (29341, 29681)]