28340494

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{155717}}^1$

素因数の和:155739

約数の個数: 16

約数和(自身を含む): 52321248

約数和(自身を除く): 23980754

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 155717, 311434, 1090019, 2024321, 2180038, 4048642, 14170247, 28340494]

約数ペア:

[(1, 28340494), (2, 14170247), (7, 4048642), (13, 2180038), (14, 2024321), (26, 1090019), (91, 311434), (182, 155717)]