257164596

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{983}}^1$

素因数の和:1062

約数の個数: 108

約数和(自身を含む): 721008288

約数和(自身を除く): 463843692

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 169, 172, 234, 258, 338, 387, 468, 507, 516, 559, 676, 774, 983, 1014, 1118, 1521, 1548, 1677, 1966, 2028, 2236, 2949, 3042, 3354, 3932, 5031, 5898, 6084, 6708, 7267, 8847, 10062, 11796, 12779, 14534, 17694, 20124, 21801, 25558, 29068, 35388, 38337, 42269, 43602, 51116, 65403, 76674, 84538, 87204, 115011, 126807, 130806, 153348, 166127, 169076, 230022, 253614, 261612, 332254, 380421, 460044, 498381, 507228, 549497, 664508, 760842, 996762, 1098994, 1495143, 1521684, 1648491, 1993524, 2197988, 2990286, 3296982, 4945473, 5980572, 6593964, 7143461, 9890946, 14286922, 19781892, 21430383, 28573844, 42860766, 64291149, 85721532, 128582298, 257164596]

約数ペア:

[(1, 257164596), (2, 128582298), (3, 85721532), (4, 64291149), (6, 42860766), (9, 28573844), (12, 21430383), (13, 19781892), (18, 14286922), (26, 9890946), (36, 7143461), (39, 6593964), (43, 5980572), (52, 4945473), (78, 3296982), (86, 2990286), (117, 2197988), (129, 1993524), (156, 1648491), (169, 1521684), (172, 1495143), (234, 1098994), (258, 996762), (338, 760842), (387, 664508), (468, 549497), (507, 507228), (516, 498381), (559, 460044), (676, 380421), (774, 332254), (983, 261612), (1014, 253614), (1118, 230022), (1521, 169076), (1548, 166127), (1677, 153348), (1966, 130806), (2028, 126807), (2236, 115011), (2949, 87204), (3042, 84538), (3354, 76674), (3932, 65403), (5031, 51116), (5898, 43602), (6084, 42269), (6708, 38337), (7267, 35388), (8847, 29068), (10062, 25558), (11796, 21801), (12779, 20124), (14534, 17694)]