81607316

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^2\times {\mathrm{467}}^1$

素因数の和:636

約数の個数: 36

約数和(自身を含む): 165660768

約数和(自身を除く): 84053452

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 467, 553, 934, 1106, 1868, 2212, 3269, 6241, 6538, 12482, 13076, 24964, 36893, 43687, 73786, 87374, 147572, 174748, 258251, 516502, 1033004, 2914547, 5829094, 11658188, 20401829, 40803658, 81607316]

約数ペア:

[(1, 81607316), (2, 40803658), (4, 20401829), (7, 11658188), (14, 5829094), (28, 2914547), (79, 1033004), (158, 516502), (316, 258251), (467, 174748), (553, 147572), (934, 87374), (1106, 73786), (1868, 43687), (2212, 36893), (3269, 24964), (6241, 13076), (6538, 12482)]