81689762

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{83}}^2$

素因数の和:204

約数の個数: 54

約数和(自身を含む): 158586939

約数和(自身を除く): 76897177

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 83, 98, 121, 154, 166, 242, 539, 581, 847, 913, 1078, 1162, 1694, 1826, 4067, 5929, 6391, 6889, 8134, 10043, 11858, 12782, 13778, 20086, 44737, 48223, 70301, 75779, 89474, 96446, 140602, 151558, 337561, 492107, 530453, 675122, 833569, 984214, 1060906, 1667138, 3713171, 5834983, 7426342, 11669966, 40844881, 81689762]

約数ペア:

[(1, 81689762), (2, 40844881), (7, 11669966), (11, 7426342), (14, 5834983), (22, 3713171), (49, 1667138), (77, 1060906), (83, 984214), (98, 833569), (121, 675122), (154, 530453), (166, 492107), (242, 337561), (539, 151558), (581, 140602), (847, 96446), (913, 89474), (1078, 75779), (1162, 70301), (1694, 48223), (1826, 44737), (4067, 20086), (5929, 13778), (6391, 12782), (6889, 11858), (8134, 10043)]