2556205

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:129

約数の個数: 24

約数和(自身を含む): 3426120

約数和(自身を除く): 869915

約数列:

[1, 5, 17, 29, 61, 85, 145, 289, 305, 493, 1037, 1445, 1769, 2465, 5185, 8381, 8845, 17629, 30073, 41905, 88145, 150365, 511241, 2556205]

約数ペア:

[(1, 2556205), (5, 511241), (17, 150365), (29, 88145), (61, 41905), (85, 30073), (145, 17629), (289, 8845), (305, 8381), (493, 5185), (1037, 2465), (1445, 1769)]