12781430

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{11311}}^1$

素因数の和:11431

約数の個数: 16

約数和(自身を含む): 23212224

約数和(自身を除く): 10430794

約数列:

[1, 2, 5, 10, 113, 226, 565, 1130, 11311, 22622, 56555, 113110, 1278143, 2556286, 6390715, 12781430]

約数ペア:

[(1, 12781430), (2, 6390715), (5, 2556286), (10, 1278143), (113, 113110), (226, 56555), (565, 22622), (1130, 11311)]