217461244

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{54311}}^1$

素因数の和:54346

約数の個数: 48

約数和(自身を含む): 510967296

約数和(自身を除く): 293506052

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 54311, 108622, 217244, 380177, 597421, 706043, 760354, 1194842, 1412086, 1520708, 2389684, 2824172, 4181947, 4942301, 7766473, 8363894, 9884602, 15532946, 16727788, 19769204, 31065892, 54365311, 108730622, 217461244]

約数ペア:

[(1, 217461244), (2, 108730622), (4, 54365311), (7, 31065892), (11, 19769204), (13, 16727788), (14, 15532946), (22, 9884602), (26, 8363894), (28, 7766473), (44, 4942301), (52, 4181947), (77, 2824172), (91, 2389684), (143, 1520708), (154, 1412086), (182, 1194842), (286, 760354), (308, 706043), (364, 597421), (572, 380177), (1001, 217244), (2002, 108622), (4004, 54311)]