81895134

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{373}}^1$

素因数の和:481

約数の個数: 64

約数和(自身を含む): 180094464

約数和(自身を除く): 98199330

約数列:

[1, 2, 3, 6, 23, 37, 43, 46, 69, 74, 86, 111, 129, 138, 222, 258, 373, 746, 851, 989, 1119, 1591, 1702, 1978, 2238, 2553, 2967, 3182, 4773, 5106, 5934, 8579, 9546, 13801, 16039, 17158, 25737, 27602, 32078, 36593, 41403, 48117, 51474, 73186, 82806, 96234, 109779, 219558, 317423, 368897, 593443, 634846, 737794, 952269, 1106691, 1186886, 1780329, 1904538, 2213382, 3560658, 13649189, 27298378, 40947567, 81895134]

約数ペア:

[(1, 81895134), (2, 40947567), (3, 27298378), (6, 13649189), (23, 3560658), (37, 2213382), (43, 1904538), (46, 1780329), (69, 1186886), (74, 1106691), (86, 952269), (111, 737794), (129, 634846), (138, 593443), (222, 368897), (258, 317423), (373, 219558), (746, 109779), (851, 96234), (989, 82806), (1119, 73186), (1591, 51474), (1702, 48117), (1978, 41403), (2238, 36593), (2553, 32078), (2967, 27602), (3182, 25737), (4773, 17158), (5106, 16039), (5934, 13801), (8579, 9546)]