12861368

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{123667}}^1$

素因数の和:123686

約数の個数: 16

約数和(自身を含む): 25970280

約数和(自身を除く): 13108912

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 123667, 247334, 494668, 989336, 1607671, 3215342, 6430684, 12861368]

約数ペア:

[(1, 12861368), (2, 6430684), (4, 3215342), (8, 1607671), (13, 989336), (26, 494668), (52, 247334), (104, 123667)]