12978055

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2503}}^1$

素因数の和:2586

約数の個数: 16

約数和(自身を含む): 16766784

約数和(自身を除く): 3788729

約数列:

[1, 5, 17, 61, 85, 305, 1037, 2503, 5185, 12515, 42551, 152683, 212755, 763415, 2595611, 12978055]

約数ペア:

[(1, 12978055), (5, 2595611), (17, 763415), (61, 212755), (85, 152683), (305, 42551), (1037, 12515), (2503, 5185)]