66903340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{477881}}^1$

素因数の和:477897

約数の個数: 24

約数和(自身を含む): 160568352

約数和(自身を除く): 93665012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 477881, 955762, 1911524, 2389405, 3345167, 4778810, 6690334, 9557620, 13380668, 16725835, 33451670, 66903340]

約数ペア:

[(1, 66903340), (2, 33451670), (4, 16725835), (5, 13380668), (7, 9557620), (10, 6690334), (14, 4778810), (20, 3345167), (28, 2389405), (35, 1911524), (70, 955762), (140, 477881)]