15722975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1$

素因数の和:527

約数の個数: 24

約数和(自身を含む): 20832000

約数和(自身を除く): 5109025

約数列:

[1, 5, 19, 25, 79, 95, 395, 419, 475, 1501, 1975, 2095, 7505, 7961, 10475, 33101, 37525, 39805, 165505, 199025, 628919, 827525, 3144595, 15722975]

約数ペア:

[(1, 15722975), (5, 3144595), (19, 827525), (25, 628919), (79, 199025), (95, 165505), (395, 39805), (419, 37525), (475, 33101), (1501, 10475), (1975, 7961), (2095, 7505)]