12660321385

素因数分解:

$5^1\times {\mathrm{137}}^1\times {\mathrm{661}}^1\times {\mathrm{27961}}^1$

素因数の和:28764

約数の個数: 16

約数和(自身を含む): 15326978832

約数和(自身を除く): 2666657447

約数列:

[1, 5, 137, 661, 685, 3305, 27961, 90557, 139805, 452785, 3830657, 18482221, 19153285, 92411105, 2532064277, 12660321385]

約数ペア:

[(1, 12660321385), (5, 2532064277), (137, 92411105), (661, 19153285), (685, 18482221), (3305, 3830657), (27961, 452785), (90557, 139805)]