81264476

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 151048800

約数和(自身を除く): 69784324

約数列:

[1, 2, 4, 53, 59, 73, 89, 106, 118, 146, 178, 212, 236, 292, 356, 3127, 3869, 4307, 4717, 5251, 6254, 6497, 7738, 8614, 9434, 10502, 12508, 12994, 15476, 17228, 18868, 21004, 25988, 228271, 278303, 344341, 383323, 456542, 556606, 688682, 766646, 913084, 1113212, 1377364, 1533292, 20316119, 40632238, 81264476]

約数ペア:

[(1, 81264476), (2, 40632238), (4, 20316119), (53, 1533292), (59, 1377364), (73, 1113212), (89, 913084), (106, 766646), (118, 688682), (146, 556606), (178, 456542), (212, 383323), (236, 344341), (292, 278303), (356, 228271), (3127, 25988), (3869, 21004), (4307, 18868), (4717, 17228), (5251, 15476), (6254, 12994), (6497, 12508), (7738, 10502), (8614, 9434)]