12879490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{7621}}^1$

素因数の和:7654

約数の個数: 24

約数和(自身を含む): 25106868

約数和(自身を除く): 12227378

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 7621, 15242, 38105, 76210, 99073, 198146, 495365, 990730, 1287949, 2575898, 6439745, 12879490]

約数ペア:

[(1, 12879490), (2, 6439745), (5, 2575898), (10, 1287949), (13, 990730), (26, 495365), (65, 198146), (130, 99073), (169, 76210), (338, 38105), (845, 15242), (1690, 7621)]