28412390

素因数分解:

$2^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{6781}}^1$

素因数の和:7207

約数の個数: 16

約数和(自身を含む): 51271920

約数和(自身を除く): 22859530

約数列:

[1, 2, 5, 10, 419, 838, 2095, 4190, 6781, 13562, 33905, 67810, 2841239, 5682478, 14206195, 28412390]

約数ペア:

[(1, 28412390), (2, 14206195), (5, 5682478), (10, 2841239), (419, 67810), (838, 33905), (2095, 13562), (4190, 6781)]