289609985

素因数分解:

$5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{26953}}^1$

素因数の和:27272

約数の個数: 16

約数和(自身を含む): 398487936

約数和(自身を除く): 108877951

約数列:

[1, 5, 7, 35, 307, 1535, 2149, 10745, 26953, 134765, 188671, 943355, 8274571, 41372855, 57921997, 289609985]

約数ペア:

[(1, 289609985), (5, 57921997), (7, 41372855), (35, 8274571), (307, 943355), (1535, 188671), (2149, 134765), (10745, 26953)]