1378312495

素因数分解:

$5^1\times 7^1\times {\mathrm{2557}}^1\times {\mathrm{15401}}^1$

素因数の和:17970

約数の個数: 16

約数和(自身を含む): 1891119168

約数和(自身を除く): 512806673

約数列:

[1, 5, 7, 35, 2557, 12785, 15401, 17899, 77005, 89495, 107807, 539035, 39380357, 196901785, 275662499, 1378312495]

約数ペア:

[(1, 1378312495), (5, 275662499), (7, 196901785), (35, 39380357), (2557, 539035), (12785, 107807), (15401, 89495), (17899, 77005)]