77987231

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1\times {\mathrm{853}}^1$

素因数の和:1250

約数の個数: 16

約数和(自身を含む): 91904064

約数和(自身を除く): 13916833

約数列:

[1, 7, 37, 259, 353, 853, 2471, 5971, 13061, 31561, 91427, 220927, 301109, 2107763, 11141033, 77987231]

約数ペア:

[(1, 77987231), (7, 11141033), (37, 2107763), (259, 301109), (353, 220927), (853, 91427), (2471, 31561), (5971, 13061)]