66189968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{1427}}^1$

素因数の和:1671

約数の個数: 40

約数和(自身を含む): 138824448

約数和(自身を除く): 72634480

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 223, 446, 892, 1427, 1784, 2854, 2899, 3568, 5708, 5798, 11416, 11596, 18551, 22832, 23192, 37102, 46384, 74204, 148408, 296816, 318221, 636442, 1272884, 2545768, 4136873, 5091536, 8273746, 16547492, 33094984, 66189968]

約数ペア:

[(1, 66189968), (2, 33094984), (4, 16547492), (8, 8273746), (13, 5091536), (16, 4136873), (26, 2545768), (52, 1272884), (104, 636442), (208, 318221), (223, 296816), (446, 148408), (892, 74204), (1427, 46384), (1784, 37102), (2854, 23192), (2899, 22832), (3568, 18551), (5708, 11596), (5798, 11416)]