12678665

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:448

約数の個数: 16

約数和(自身を含む): 15579648

約数和(自身を除く): 2900983

約数列:

[1, 5, 83, 137, 223, 415, 685, 1115, 11371, 18509, 30551, 56855, 92545, 152755, 2535733, 12678665]

約数ペア:

[(1, 12678665), (5, 2535733), (83, 152755), (137, 92545), (223, 56855), (415, 30551), (685, 18509), (1115, 11371)]