31190225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{3911}}^1$

素因数の和:3961

約数の個数: 24

約数和(自身を含む): 43657920

約数和(自身を除く): 12467695

約数列:

[1, 5, 11, 25, 29, 55, 145, 275, 319, 725, 1595, 3911, 7975, 19555, 43021, 97775, 113419, 215105, 567095, 1075525, 1247609, 2835475, 6238045, 31190225]

約数ペア:

[(1, 31190225), (5, 6238045), (11, 2835475), (25, 1247609), (29, 1075525), (55, 567095), (145, 215105), (275, 113419), (319, 97775), (725, 43021), (1595, 19555), (3911, 7975)]