77880439

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{1531}}^1$

素因数の和:1607

約数の個数: 24

約数和(自身を含む): 98685312

約数和(自身を除く): 20804873

約数列:

[1, 7, 13, 43, 91, 169, 301, 559, 1183, 1531, 3913, 7267, 10717, 19903, 50869, 65833, 139321, 258739, 460831, 855829, 1811173, 5990803, 11125777, 77880439]

約数ペア:

[(1, 77880439), (7, 11125777), (13, 5990803), (43, 1811173), (91, 855829), (169, 460831), (301, 258739), (559, 139321), (1183, 65833), (1531, 50869), (3913, 19903), (7267, 10717)]