257015366951

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{12744353}}^1$

素因数の和:12744470

約数の個数: 16

約数和(自身を含む): 305048857344

約数和(自身を除く): 48033490393

約数列:

[1, 7, 43, 67, 301, 469, 2881, 20167, 12744353, 89210471, 548007179, 853871651, 3836050253, 5977101557, 36716480993, 257015366951]

約数ペア:

[(1, 257015366951), (7, 36716480993), (43, 5977101557), (67, 3836050253), (301, 853871651), (469, 548007179), (2881, 89210471), (20167, 12744353)]