205807745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{5431}}^1$

素因数の和:5513

約数の個数: 32

約数和(自身を含む): 295674624

約数和(自身を除く): 89866879

約数列:

[1, 5, 11, 13, 53, 55, 65, 143, 265, 583, 689, 715, 2915, 3445, 5431, 7579, 27155, 37895, 59741, 70603, 287843, 298705, 353015, 776633, 1439215, 3166273, 3741959, 3883165, 15831365, 18709795, 41161549, 205807745]

約数ペア:

[(1, 205807745), (5, 41161549), (11, 18709795), (13, 15831365), (53, 3883165), (55, 3741959), (65, 3166273), (143, 1439215), (265, 776633), (583, 353015), (689, 298705), (715, 287843), (2915, 70603), (3445, 59741), (5431, 37895), (7579, 27155)]