31568264

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{421}}^1$

素因数の和:550

約数の個数: 64

約数和(自身を含む): 73731840

約数和(自身を除く): 42163576

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 103, 104, 182, 206, 364, 412, 421, 721, 728, 824, 842, 1339, 1442, 1684, 2678, 2884, 2947, 3368, 5356, 5473, 5768, 5894, 9373, 10712, 10946, 11788, 18746, 21892, 23576, 37492, 38311, 43363, 43784, 74984, 76622, 86726, 153244, 173452, 303541, 306488, 346904, 563719, 607082, 1127438, 1214164, 2254876, 2428328, 3946033, 4509752, 7892066, 15784132, 31568264]

約数ペア:

[(1, 31568264), (2, 15784132), (4, 7892066), (7, 4509752), (8, 3946033), (13, 2428328), (14, 2254876), (26, 1214164), (28, 1127438), (52, 607082), (56, 563719), (91, 346904), (103, 306488), (104, 303541), (182, 173452), (206, 153244), (364, 86726), (412, 76622), (421, 74984), (721, 43784), (728, 43363), (824, 38311), (842, 37492), (1339, 23576), (1442, 21892), (1684, 18746), (2678, 11788), (2884, 10946), (2947, 10712), (3368, 9373), (5356, 5894), (5473, 5768)]