217544236

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1483}}^1$

素因数の和:1551

約数の個数: 72

約数和(自身を含む): 486657024

約数和(自身を除く): 269112788

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 169, 182, 217, 338, 364, 403, 434, 676, 806, 868, 1183, 1483, 1612, 2366, 2821, 2966, 4732, 5239, 5642, 5932, 10381, 10478, 11284, 19279, 20762, 20956, 36673, 38558, 41524, 45973, 73346, 77116, 91946, 134953, 146692, 183892, 250627, 269906, 321811, 501254, 539812, 597649, 643622, 1002508, 1195298, 1287244, 1754389, 2390596, 3508778, 4183543, 7017556, 7769437, 8367086, 15538874, 16734172, 31077748, 54386059, 108772118, 217544236]

約数ペア:

[(1, 217544236), (2, 108772118), (4, 54386059), (7, 31077748), (13, 16734172), (14, 15538874), (26, 8367086), (28, 7769437), (31, 7017556), (52, 4183543), (62, 3508778), (91, 2390596), (124, 1754389), (169, 1287244), (182, 1195298), (217, 1002508), (338, 643622), (364, 597649), (403, 539812), (434, 501254), (676, 321811), (806, 269906), (868, 250627), (1183, 183892), (1483, 146692), (1612, 134953), (2366, 91946), (2821, 77116), (2966, 73346), (4732, 45973), (5239, 41524), (5642, 38558), (5932, 36673), (10381, 20956), (10478, 20762), (11284, 19279)]