87131485

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1103}}^1$

素因数の和:1213

約数の個数: 32

約数和(自身を含む): 124849152

約数和(自身を除く): 37717667

約数列:

[1, 5, 7, 35, 37, 61, 185, 259, 305, 427, 1103, 1295, 2135, 2257, 5515, 7721, 11285, 15799, 38605, 40811, 67283, 78995, 204055, 285677, 336415, 470981, 1428385, 2354905, 2489471, 12447355, 17426297, 87131485]

約数ペア:

[(1, 87131485), (5, 17426297), (7, 12447355), (35, 2489471), (37, 2354905), (61, 1428385), (185, 470981), (259, 336415), (305, 285677), (427, 204055), (1103, 78995), (1295, 67283), (2135, 40811), (2257, 38605), (5515, 15799), (7721, 11285)]