28642138

素因数分解:

$2^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{157}}^2$

素因数の和:406

約数の個数: 24

約数和(自身を含む): 50010912

約数和(自身を除く): 21368774

約数列:

[1, 2, 7, 14, 83, 157, 166, 314, 581, 1099, 1162, 2198, 13031, 24649, 26062, 49298, 91217, 172543, 182434, 345086, 2045867, 4091734, 14321069, 28642138]

約数ペア:

[(1, 28642138), (2, 14321069), (7, 4091734), (14, 2045867), (83, 345086), (157, 182434), (166, 172543), (314, 91217), (581, 49298), (1099, 26062), (1162, 24649), (2198, 13031)]