25630566

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 57915648

約数和(自身を除く): 32285082

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 83, 107, 111, 166, 214, 222, 249, 321, 481, 498, 642, 962, 1079, 1391, 1443, 2158, 2782, 2886, 3071, 3237, 3959, 4173, 6142, 6474, 7918, 8346, 8881, 9213, 11877, 17762, 18426, 23754, 26643, 39923, 51467, 53286, 79846, 102934, 115453, 119769, 154401, 230906, 239538, 308802, 328597, 346359, 657194, 692718, 985791, 1971582, 4271761, 8543522, 12815283, 25630566]

約数ペア:

[(1, 25630566), (2, 12815283), (3, 8543522), (6, 4271761), (13, 1971582), (26, 985791), (37, 692718), (39, 657194), (74, 346359), (78, 328597), (83, 308802), (107, 239538), (111, 230906), (166, 154401), (214, 119769), (222, 115453), (249, 102934), (321, 79846), (481, 53286), (498, 51467), (642, 39923), (962, 26643), (1079, 23754), (1391, 18426), (1443, 17762), (2158, 11877), (2782, 9213), (2886, 8881), (3071, 8346), (3237, 7918), (3959, 6474), (4173, 6142)]