13404865

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{439}}^1$

素因数の和:672

約数の個数: 16

約数和(自身を含む): 16727040

約数和(自身を除く): 3322175

約数列:

[1, 5, 31, 155, 197, 439, 985, 2195, 6107, 13609, 30535, 68045, 86483, 432415, 2680973, 13404865]

約数ペア:

[(1, 13404865), (5, 2680973), (31, 432415), (155, 86483), (197, 68045), (439, 30535), (985, 13609), (2195, 6107)]