51021607

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:152

約数の個数: 48

約数和(自身を含む): 69569280

約数和(自身を除く): 18547673

約数列:

[1, 7, 13, 17, 43, 59, 91, 119, 169, 221, 301, 413, 559, 731, 767, 1003, 1183, 1547, 2537, 2873, 3913, 5117, 5369, 7021, 7267, 9503, 9971, 13039, 17759, 20111, 32981, 43129, 50869, 66521, 69797, 91273, 123539, 169507, 230867, 301903, 428753, 560677, 864773, 1186549, 3001271, 3924739, 7288801, 51021607]

約数ペア:

[(1, 51021607), (7, 7288801), (13, 3924739), (17, 3001271), (43, 1186549), (59, 864773), (91, 560677), (119, 428753), (169, 301903), (221, 230867), (301, 169507), (413, 123539), (559, 91273), (731, 69797), (767, 66521), (1003, 50869), (1183, 43129), (1547, 32981), (2537, 20111), (2873, 17759), (3913, 13039), (5117, 9971), (5369, 9503), (7021, 7267)]