81771794

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{971}}^1$

素因数の和:1106

約数の個数: 32

約数和(自身を含む): 137168640

約数和(自身を除く): 55396846

約数列:

[1, 2, 13, 26, 41, 79, 82, 158, 533, 971, 1027, 1066, 1942, 2054, 3239, 6478, 12623, 25246, 39811, 42107, 76709, 79622, 84214, 153418, 517543, 997217, 1035086, 1994434, 3145069, 6290138, 40885897, 81771794]

約数ペア:

[(1, 81771794), (2, 40885897), (13, 6290138), (26, 3145069), (41, 1994434), (79, 1035086), (82, 997217), (158, 517543), (533, 153418), (971, 84214), (1027, 79622), (1066, 76709), (1942, 42107), (2054, 39811), (3239, 25246), (6478, 12623)]