28392805

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{401}}^1$

素因数の和:454

約数の個数: 36

約数和(自身を含む): 42207588

約数和(自身を除く): 13814783

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 289, 401, 595, 833, 1445, 2005, 2023, 2807, 4165, 6817, 10115, 14035, 14161, 19649, 34085, 47719, 70805, 98245, 115889, 238595, 334033, 579445, 811223, 1670165, 4056115, 5678561, 28392805]

約数ペア:

[(1, 28392805), (5, 5678561), (7, 4056115), (17, 1670165), (35, 811223), (49, 579445), (85, 334033), (119, 238595), (245, 115889), (289, 98245), (401, 70805), (595, 47719), (833, 34085), (1445, 19649), (2005, 14161), (2023, 14035), (2807, 10115), (4165, 6817)]