12981008

素因数分解:

$2^4\times {\mathrm{839}}^1\times {\mathrm{967}}^1$

素因数の和:1814

約数の個数: 20

約数和(自身を含む): 25206720

約数和(自身を除く): 12225712

約数列:

[1, 2, 4, 8, 16, 839, 967, 1678, 1934, 3356, 3868, 6712, 7736, 13424, 15472, 811313, 1622626, 3245252, 6490504, 12981008]

約数ペア:

[(1, 12981008), (2, 6490504), (4, 3245252), (8, 1622626), (16, 811313), (839, 15472), (967, 13424), (1678, 7736), (1934, 6712), (3356, 3868)]