319907315

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 491774976

約数和(自身を除く): 171867661

約数列:

[1, 5, 7, 13, 35, 43, 65, 83, 91, 197, 215, 301, 415, 455, 559, 581, 985, 1079, 1379, 1505, 2561, 2795, 2905, 3569, 3913, 5395, 6895, 7553, 8471, 12805, 16351, 17845, 17927, 19565, 24983, 37765, 42355, 46397, 59297, 81755, 89635, 110123, 114457, 124915, 212563, 231985, 296485, 324779, 550615, 572285, 703093, 770861, 1062815, 1487941, 1623895, 3515465, 3854305, 4921651, 7439705, 9140209, 24608255, 45701045, 63981463, 319907315]

約数ペア:

[(1, 319907315), (5, 63981463), (7, 45701045), (13, 24608255), (35, 9140209), (43, 7439705), (65, 4921651), (83, 3854305), (91, 3515465), (197, 1623895), (215, 1487941), (301, 1062815), (415, 770861), (455, 703093), (559, 572285), (581, 550615), (985, 324779), (1079, 296485), (1379, 231985), (1505, 212563), (2561, 124915), (2795, 114457), (2905, 110123), (3569, 89635), (3913, 81755), (5395, 59297), (6895, 46397), (7553, 42355), (8471, 37765), (12805, 24983), (16351, 19565), (17845, 17927)]