80873212

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{18397}}^1$

素因数の和:18565

約数の個数: 24

約数和(自身を含む): 162785504

約数和(自身を除く): 81912292

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 628, 1099, 2198, 4396, 18397, 36794, 73588, 128779, 257558, 515116, 2888329, 5776658, 11553316, 20218303, 40436606, 80873212]

約数ペア:

[(1, 80873212), (2, 40436606), (4, 20218303), (7, 11553316), (14, 5776658), (28, 2888329), (157, 515116), (314, 257558), (628, 128779), (1099, 73588), (2198, 36794), (4396, 18397)]