28417752016

素因数分解:

$2^4\times {\mathrm{1999}}^1\times {\mathrm{888499}}^1$

素因数の和:890506

約数の個数: 20

約数和(自身を含む): 55087000000

約数和(自身を除く): 26669247984

約数列:

[1, 2, 4, 8, 16, 1999, 3998, 7996, 15992, 31984, 888499, 1776998, 3553996, 7107992, 14215984, 1776109501, 3552219002, 7104438004, 14208876008, 28417752016]

約数ペア:

[(1, 28417752016), (2, 14208876008), (4, 7104438004), (8, 3552219002), (16, 1776109501), (1999, 14215984), (3998, 7107992), (7996, 3553996), (15992, 1776998), (31984, 888499)]