12678479905

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{27864791}}^1$

素因数の和:27864816

約数の個数: 16

約数和(自身を含む): 18725140224

約数和(自身を除く): 6046660319

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 27864791, 139323955, 195053537, 362242283, 975267685, 1811211415, 2535695981, 12678479905]

約数ペア:

[(1, 12678479905), (5, 2535695981), (7, 1811211415), (13, 975267685), (35, 362242283), (65, 195053537), (91, 139323955), (455, 27864791)]