28263340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{201881}}^1$

素因数の和:201897

約数の個数: 24

約数和(自身を含む): 67832352

約数和(自身を除く): 39569012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 201881, 403762, 807524, 1009405, 1413167, 2018810, 2826334, 4037620, 5652668, 7065835, 14131670, 28263340]

約数ペア:

[(1, 28263340), (2, 14131670), (4, 7065835), (5, 5652668), (7, 4037620), (10, 2826334), (14, 2018810), (20, 1413167), (28, 1009405), (35, 807524), (70, 403762), (140, 201881)]