81020208

素因数分解:

$2^4\times 3^1\times {\mathrm{997}}^1\times {\mathrm{1693}}^1$

素因数の和:2701

約数の個数: 40

約数和(自身を含む): 209635888

約数和(自身を除く): 128615680

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 997, 1693, 1994, 2991, 3386, 3988, 5079, 5982, 6772, 7976, 10158, 11964, 13544, 15952, 20316, 23928, 27088, 40632, 47856, 81264, 1687921, 3375842, 5063763, 6751684, 10127526, 13503368, 20255052, 27006736, 40510104, 81020208]

約数ペア:

[(1, 81020208), (2, 40510104), (3, 27006736), (4, 20255052), (6, 13503368), (8, 10127526), (12, 6751684), (16, 5063763), (24, 3375842), (48, 1687921), (997, 81264), (1693, 47856), (1994, 40632), (2991, 27088), (3386, 23928), (3988, 20316), (5079, 15952), (5982, 13544), (6772, 11964), (7976, 10158)]