12881209

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{241}}^1$

素因数の和:408

約数の個数: 16

約数和(自身を含む): 14566464

約数和(自身を除く): 1685255

約数列:

[1, 11, 43, 113, 241, 473, 1243, 2651, 4859, 10363, 27233, 53449, 113993, 299563, 1171019, 12881209]

約数ペア:

[(1, 12881209), (11, 1171019), (43, 299563), (113, 113993), (241, 53449), (473, 27233), (1243, 10363), (2651, 4859)]