78874341

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6719}}^1$

素因数の和:6785

約数の個数: 32

約数和(自身を含む): 132464640

約数和(自身を除く): 53590299

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 273, 301, 559, 903, 1677, 3913, 6719, 11739, 20157, 47033, 87347, 141099, 262041, 288917, 611429, 866751, 1834287, 2022419, 3755921, 6067257, 11267763, 26291447, 78874341]

約数ペア:

[(1, 78874341), (3, 26291447), (7, 11267763), (13, 6067257), (21, 3755921), (39, 2022419), (43, 1834287), (91, 866751), (129, 611429), (273, 288917), (301, 262041), (559, 141099), (903, 87347), (1677, 47033), (3913, 20157), (6719, 11739)]