51413128

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1$

素因数の和:518

約数の個数: 64

約数和(自身を含む): 110315520

約数和(自身を除く): 58902392

約数列:

[1, 2, 4, 8, 13, 26, 31, 37, 52, 62, 74, 104, 124, 148, 248, 296, 403, 431, 481, 806, 862, 962, 1147, 1612, 1724, 1924, 2294, 3224, 3448, 3848, 4588, 5603, 9176, 11206, 13361, 14911, 15947, 22412, 26722, 29822, 31894, 44824, 53444, 59644, 63788, 106888, 119288, 127576, 173693, 207311, 347386, 414622, 494357, 694772, 829244, 988714, 1389544, 1658488, 1977428, 3954856, 6426641, 12853282, 25706564, 51413128]

約数ペア:

[(1, 51413128), (2, 25706564), (4, 12853282), (8, 6426641), (13, 3954856), (26, 1977428), (31, 1658488), (37, 1389544), (52, 988714), (62, 829244), (74, 694772), (104, 494357), (124, 414622), (148, 347386), (248, 207311), (296, 173693), (403, 127576), (431, 119288), (481, 106888), (806, 63788), (862, 59644), (962, 53444), (1147, 44824), (1612, 31894), (1724, 29822), (1924, 26722), (2294, 22412), (3224, 15947), (3448, 14911), (3848, 13361), (4588, 11206), (5603, 9176)]