638444848

素因数分解:

$2^4\times {\mathrm{2939}}^1\times {\mathrm{13577}}^1$

素因数の和:16524

約数の個数: 20

約数和(自身を含む): 1237498920

約数和(自身を除く): 599054072

約数列:

[1, 2, 4, 8, 16, 2939, 5878, 11756, 13577, 23512, 27154, 47024, 54308, 108616, 217232, 39902803, 79805606, 159611212, 319222424, 638444848]

約数ペア:

[(1, 638444848), (2, 319222424), (4, 159611212), (8, 79805606), (16, 39902803), (2939, 217232), (5878, 108616), (11756, 54308), (13577, 47024), (23512, 27154)]