81486352

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{4007}}^1$

素因数の和:4087

約数の個数: 40

約数和(自身を含む): 166989312

約数和(自身を除く): 85502960

約数列:

[1, 2, 4, 8, 16, 31, 41, 62, 82, 124, 164, 248, 328, 496, 656, 1271, 2542, 4007, 5084, 8014, 10168, 16028, 20336, 32056, 64112, 124217, 164287, 248434, 328574, 496868, 657148, 993736, 1314296, 1987472, 2628592, 5092897, 10185794, 20371588, 40743176, 81486352]

約数ペア:

[(1, 81486352), (2, 40743176), (4, 20371588), (8, 10185794), (16, 5092897), (31, 2628592), (41, 1987472), (62, 1314296), (82, 993736), (124, 657148), (164, 496868), (248, 328574), (328, 248434), (496, 164287), (656, 124217), (1271, 64112), (2542, 32056), (4007, 20336), (5084, 16028), (8014, 10168)]