1291760690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{249857}}^1$

素因数の和:249922

約数の個数: 32

約数和(自身を含む): 2590527744

約数和(自身を除く): 1298767054

約数列:

[1, 2, 5, 10, 11, 22, 47, 55, 94, 110, 235, 470, 517, 1034, 2585, 5170, 249857, 499714, 1249285, 2498570, 2748427, 5496854, 11743279, 13742135, 23486558, 27484270, 58716395, 117432790, 129176069, 258352138, 645880345, 1291760690]

約数ペア:

[(1, 1291760690), (2, 645880345), (5, 258352138), (10, 129176069), (11, 117432790), (22, 58716395), (47, 27484270), (55, 23486558), (94, 13742135), (110, 11743279), (235, 5496854), (470, 2748427), (517, 2498570), (1034, 1249285), (2585, 499714), (5170, 249857)]