81229585

素因数分解:

$5^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1\times {\mathrm{1019}}^1$

素因数の和:1280

約数の個数: 16

約数和(自身を含む): 99144000

約数和(自身を除く): 17914415

約数列:

[1, 5, 107, 149, 535, 745, 1019, 5095, 15943, 79715, 109033, 151831, 545165, 759155, 16245917, 81229585]

約数ペア:

[(1, 81229585), (5, 16245917), (107, 759155), (149, 545165), (535, 151831), (745, 109033), (1019, 79715), (5095, 15943)]