256999631

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{9227}}^1$

素因数の和:9430

約数の個数: 16

約数和(自身を含む): 308289024

約数和(自身を除く): 51289393

約数列:

[1, 7, 23, 161, 173, 1211, 3979, 9227, 27853, 64589, 212221, 1485547, 1596271, 11173897, 36714233, 256999631]

約数ペア:

[(1, 256999631), (7, 36714233), (23, 11173897), (161, 1596271), (173, 1485547), (1211, 212221), (3979, 64589), (9227, 27853)]