31321792

素因数分解:

$2^6\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:257

約数の個数: 56

約数和(自身を含む): 64629792

約数和(自身を除く): 33308000

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 71, 113, 122, 142, 226, 244, 284, 452, 488, 568, 904, 976, 1136, 1808, 1952, 2272, 3616, 3904, 4331, 4544, 6893, 7232, 8023, 8662, 13786, 16046, 17324, 27572, 32092, 34648, 55144, 64184, 69296, 110288, 128368, 138592, 220576, 256736, 277184, 441152, 489403, 513472, 978806, 1957612, 3915224, 7830448, 15660896, 31321792]

約数ペア:

[(1, 31321792), (2, 15660896), (4, 7830448), (8, 3915224), (16, 1957612), (32, 978806), (61, 513472), (64, 489403), (71, 441152), (113, 277184), (122, 256736), (142, 220576), (226, 138592), (244, 128368), (284, 110288), (452, 69296), (488, 64184), (568, 55144), (904, 34648), (976, 32092), (1136, 27572), (1808, 17324), (1952, 16046), (2272, 13786), (3616, 8662), (3904, 8023), (4331, 7232), (4544, 6893)]