13007225

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{233}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 20891520

約数和(自身を除く): 7884295

約数列:

[1, 5, 7, 11, 25, 29, 35, 55, 77, 145, 175, 203, 233, 275, 319, 385, 725, 1015, 1165, 1595, 1631, 1925, 2233, 2563, 5075, 5825, 6757, 7975, 8155, 11165, 12815, 17941, 33785, 40775, 47299, 55825, 64075, 74327, 89705, 168925, 236495, 371635, 448525, 520289, 1182475, 1858175, 2601445, 13007225]

約数ペア:

[(1, 13007225), (5, 2601445), (7, 1858175), (11, 1182475), (25, 520289), (29, 448525), (35, 371635), (55, 236495), (77, 168925), (145, 89705), (175, 74327), (203, 64075), (233, 55825), (275, 47299), (319, 40775), (385, 33785), (725, 17941), (1015, 12815), (1165, 11165), (1595, 8155), (1631, 7975), (1925, 6757), (2233, 5825), (2563, 5075)]