2405039

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:159

約数の個数: 24

約数和(自身を含む): 3162240

約数和(自身を除く): 757201

約数列:

[1, 7, 13, 19, 91, 107, 133, 169, 247, 749, 1183, 1391, 1729, 2033, 3211, 9737, 14231, 18083, 22477, 26429, 126581, 185003, 343577, 2405039]

約数ペア:

[(1, 2405039), (7, 343577), (13, 185003), (19, 126581), (91, 26429), (107, 22477), (133, 18083), (169, 14231), (247, 9737), (749, 3211), (1183, 2033), (1391, 1729)]