289589377

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{18899}}^1$

素因数の和:19116

約数の個数: 16

約数和(自身を含む): 362880000

約数和(自身を除く): 73290623

約数列:

[1, 7, 11, 77, 199, 1393, 2189, 15323, 18899, 132293, 207889, 1455223, 3760901, 26326307, 41369911, 289589377]

約数ペア:

[(1, 289589377), (7, 41369911), (11, 26326307), (77, 3760901), (199, 1455223), (1393, 207889), (2189, 132293), (15323, 18899)]