81857688

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{997}}^1$

素因数の和:1328

約数の個数: 64

約数和(自身を含む): 224190720

約数和(自身を除く): 142333032

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 311, 622, 933, 997, 1244, 1866, 1994, 2488, 2991, 3421, 3732, 3988, 5982, 6842, 7464, 7976, 10263, 10967, 11964, 13684, 20526, 21934, 23928, 27368, 32901, 41052, 43868, 65802, 82104, 87736, 131604, 263208, 310067, 620134, 930201, 1240268, 1860402, 2480536, 3410737, 3720804, 6821474, 7441608, 10232211, 13642948, 20464422, 27285896, 40928844, 81857688]

約数ペア:

[(1, 81857688), (2, 40928844), (3, 27285896), (4, 20464422), (6, 13642948), (8, 10232211), (11, 7441608), (12, 6821474), (22, 3720804), (24, 3410737), (33, 2480536), (44, 1860402), (66, 1240268), (88, 930201), (132, 620134), (264, 310067), (311, 263208), (622, 131604), (933, 87736), (997, 82104), (1244, 65802), (1866, 43868), (1994, 41052), (2488, 32901), (2991, 27368), (3421, 23928), (3732, 21934), (3988, 20526), (5982, 13684), (6842, 11964), (7464, 10967), (7976, 10263)]