131478856

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{443}}^1\times {\mathrm{1613}}^1$

素因数の和:2085

約数の個数: 32

約数和(自身を含む): 257981760

約数和(自身を除く): 126502904

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 443, 886, 1613, 1772, 3226, 3544, 6452, 10189, 12904, 20378, 37099, 40756, 74198, 81512, 148396, 296792, 714559, 1429118, 2858236, 5716472, 16434857, 32869714, 65739428, 131478856]

約数ペア:

[(1, 131478856), (2, 65739428), (4, 32869714), (8, 16434857), (23, 5716472), (46, 2858236), (92, 1429118), (184, 714559), (443, 296792), (886, 148396), (1613, 81512), (1772, 74198), (3226, 40756), (3544, 37099), (6452, 20378), (10189, 12904)]