31141495

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1721}}^1$

素因数の和:1791

約数の個数: 32

約数和(自身を含む): 47609856

約数和(自身を除く): 16468361

約数列:

[1, 5, 7, 11, 35, 47, 55, 77, 235, 329, 385, 517, 1645, 1721, 2585, 3619, 8605, 12047, 18095, 18931, 60235, 80887, 94655, 132517, 404435, 566209, 662585, 889757, 2831045, 4448785, 6228299, 31141495]

約数ペア:

[(1, 31141495), (5, 6228299), (7, 4448785), (11, 2831045), (35, 889757), (47, 662585), (55, 566209), (77, 404435), (235, 132517), (329, 94655), (385, 80887), (517, 60235), (1645, 18931), (1721, 18095), (2585, 12047), (3619, 8605)]