2780452031

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{17107}}^1$

素因数の和:17259

約数の個数: 24

約数和(自身を含む): 3370139136

約数和(自身を除く): 589687105

約数列:

[1, 7, 31, 49, 107, 217, 749, 1519, 3317, 5243, 17107, 23219, 119749, 162533, 530317, 838243, 1830449, 3712219, 12813143, 25985533, 56743919, 89692001, 397207433, 2780452031]

約数ペア:

[(1, 2780452031), (7, 397207433), (31, 89692001), (49, 56743919), (107, 25985533), (217, 12813143), (749, 3712219), (1519, 1830449), (3317, 838243), (5243, 530317), (17107, 162533), (23219, 119749)]