81745608

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{991}}^1$

素因数の和:1498

約数の個数: 64

約数和(自身を含む): 234270720

約数和(自身を除く): 152525112

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 491, 982, 991, 1473, 1964, 1982, 2946, 2973, 3437, 3928, 3964, 5892, 5946, 6874, 6937, 7928, 10311, 11784, 11892, 13748, 13874, 20622, 20811, 23784, 27496, 27748, 41244, 41622, 55496, 82488, 83244, 166488, 486581, 973162, 1459743, 1946324, 2919486, 3406067, 3892648, 5838972, 6812134, 10218201, 11677944, 13624268, 20436402, 27248536, 40872804, 81745608]

約数ペア:

[(1, 81745608), (2, 40872804), (3, 27248536), (4, 20436402), (6, 13624268), (7, 11677944), (8, 10218201), (12, 6812134), (14, 5838972), (21, 3892648), (24, 3406067), (28, 2919486), (42, 1946324), (56, 1459743), (84, 973162), (168, 486581), (491, 166488), (982, 83244), (991, 82488), (1473, 55496), (1964, 41622), (1982, 41244), (2946, 27748), (2973, 27496), (3437, 23784), (3928, 20811), (3964, 20622), (5892, 13874), (5946, 13748), (6874, 11892), (6937, 11784), (7928, 10311)]