1665431312

素因数分解:

$2^4\times {\mathrm{1291}}^1\times {\mathrm{80627}}^1$

素因数の和:81926

約数の個数: 20

約数和(自身を含む): 3229312656

約数和(自身を除く): 1563881344

約数列:

[1, 2, 4, 8, 16, 1291, 2582, 5164, 10328, 20656, 80627, 161254, 322508, 645016, 1290032, 104089457, 208178914, 416357828, 832715656, 1665431312]

約数ペア:

[(1, 1665431312), (2, 832715656), (4, 416357828), (8, 208178914), (16, 104089457), (1291, 1290032), (2582, 645016), (5164, 322508), (10328, 161254), (20656, 80627)]