1520290499

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 2013462528

約数和(自身を除く): 493172029

約数列:

[1, 7, 13, 31, 43, 83, 91, 151, 217, 301, 403, 559, 581, 1057, 1079, 1333, 1963, 2573, 2821, 3569, 3913, 4681, 6493, 7553, 9331, 12533, 13741, 17329, 18011, 24983, 32767, 33449, 45451, 46397, 60853, 84409, 87731, 110639, 121303, 162929, 201283, 234143, 324779, 388523, 425971, 538919, 590863, 774473, 1140503, 1408981, 1438307, 2616679, 2719661, 3772433, 5050799, 7005947, 10068149, 16706489, 18316753, 35355593, 49041629, 116945423, 217184357, 1520290499]

約数ペア:

[(1, 1520290499), (7, 217184357), (13, 116945423), (31, 49041629), (43, 35355593), (83, 18316753), (91, 16706489), (151, 10068149), (217, 7005947), (301, 5050799), (403, 3772433), (559, 2719661), (581, 2616679), (1057, 1438307), (1079, 1408981), (1333, 1140503), (1963, 774473), (2573, 590863), (2821, 538919), (3569, 425971), (3913, 388523), (4681, 324779), (6493, 234143), (7553, 201283), (9331, 162929), (12533, 121303), (13741, 110639), (17329, 87731), (18011, 84409), (24983, 60853), (32767, 46397), (33449, 45451)]