209928824

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1427}}^1$

素因数の和:1548

約数の個数: 64

約数和(自身を含む): 468840960

約数和(自身を除く): 258912136

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 71, 74, 142, 148, 259, 284, 296, 497, 518, 568, 994, 1036, 1427, 1988, 2072, 2627, 2854, 3976, 5254, 5708, 9989, 10508, 11416, 18389, 19978, 21016, 36778, 39956, 52799, 73556, 79912, 101317, 105598, 147112, 202634, 211196, 369593, 405268, 422392, 709219, 739186, 810536, 1418438, 1478372, 2836876, 2956744, 3748729, 5673752, 7497458, 14994916, 26241103, 29989832, 52482206, 104964412, 209928824]

約数ペア:

[(1, 209928824), (2, 104964412), (4, 52482206), (7, 29989832), (8, 26241103), (14, 14994916), (28, 7497458), (37, 5673752), (56, 3748729), (71, 2956744), (74, 2836876), (142, 1478372), (148, 1418438), (259, 810536), (284, 739186), (296, 709219), (497, 422392), (518, 405268), (568, 369593), (994, 211196), (1036, 202634), (1427, 147112), (1988, 105598), (2072, 101317), (2627, 79912), (2854, 73556), (3976, 52799), (5254, 39956), (5708, 36778), (9989, 21016), (10508, 19978), (11416, 18389)]