81999192

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{1181}}^1$

素因数の和:1464

約数の個数: 64

約数和(自身を含む): 224674560

約数和(自身を除く): 142675368

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 263, 264, 526, 789, 1052, 1181, 1578, 2104, 2362, 2893, 3156, 3543, 4724, 5786, 6312, 7086, 8679, 9448, 11572, 12991, 14172, 17358, 23144, 25982, 28344, 34716, 38973, 51964, 69432, 77946, 103928, 155892, 310603, 311784, 621206, 931809, 1242412, 1863618, 2484824, 3416633, 3727236, 6833266, 7454472, 10249899, 13666532, 20499798, 27333064, 40999596, 81999192]

約数ペア:

[(1, 81999192), (2, 40999596), (3, 27333064), (4, 20499798), (6, 13666532), (8, 10249899), (11, 7454472), (12, 6833266), (22, 3727236), (24, 3416633), (33, 2484824), (44, 1863618), (66, 1242412), (88, 931809), (132, 621206), (263, 311784), (264, 310603), (526, 155892), (789, 103928), (1052, 77946), (1181, 69432), (1578, 51964), (2104, 38973), (2362, 34716), (2893, 28344), (3156, 25982), (3543, 23144), (4724, 17358), (5786, 14172), (6312, 12991), (7086, 11572), (8679, 9448)]