12890902

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{3947}}^1$

素因数の和:4043

約数の個数: 16

約数和(自身を含む): 20466432

約数和(自身を除く): 7575530

約数列:

[1, 2, 23, 46, 71, 142, 1633, 3266, 3947, 7894, 90781, 181562, 280237, 560474, 6445451, 12890902]

約数ペア:

[(1, 12890902), (2, 6445451), (23, 560474), (46, 280237), (71, 181562), (142, 90781), (1633, 7894), (3266, 3947)]