215556

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:112

約数の個数: 48

約数和(自身を含む): 580608

約数和(自身を除く): 365052

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 23, 33, 44, 46, 66, 69, 71, 92, 132, 138, 142, 213, 253, 276, 284, 426, 506, 759, 781, 852, 1012, 1518, 1562, 1633, 2343, 3036, 3124, 3266, 4686, 4899, 6532, 9372, 9798, 17963, 19596, 35926, 53889, 71852, 107778, 215556]

約数ペア:

[(1, 215556), (2, 107778), (3, 71852), (4, 53889), (6, 35926), (11, 19596), (12, 17963), (22, 9798), (23, 9372), (33, 6532), (44, 4899), (46, 4686), (66, 3266), (69, 3124), (71, 3036), (92, 2343), (132, 1633), (138, 1562), (142, 1518), (213, 1012), (253, 852), (276, 781), (284, 759), (426, 506)]