57981781

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 76745088

約数和(自身を除く): 18763307

約数列:

[1, 11, 13, 17, 23, 61, 143, 187, 221, 253, 289, 299, 391, 671, 793, 1037, 1403, 2431, 3179, 3289, 3757, 4301, 5083, 6647, 8723, 11407, 13481, 15433, 17629, 18239, 23851, 41327, 55913, 73117, 86411, 148291, 193919, 200629, 229177, 262361, 310063, 405467, 950521, 2520947, 3410693, 4460137, 5271071, 57981781]

約数ペア:

[(1, 57981781), (11, 5271071), (13, 4460137), (17, 3410693), (23, 2520947), (61, 950521), (143, 405467), (187, 310063), (221, 262361), (253, 229177), (289, 200629), (299, 193919), (391, 148291), (671, 86411), (793, 73117), (1037, 55913), (1403, 41327), (2431, 23851), (3179, 18239), (3289, 17629), (3757, 15433), (4301, 13481), (5083, 11407), (6647, 8723)]