201818778

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{67679}}^1$

素因数の和:67762

約数の個数: 32

約数和(自身を含む): 467804160

約数和(自身を除く): 265985382

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 426, 497, 994, 1491, 2982, 67679, 135358, 203037, 406074, 473753, 947506, 1421259, 2842518, 4805209, 9610418, 14415627, 28831254, 33636463, 67272926, 100909389, 201818778]

約数ペア:

[(1, 201818778), (2, 100909389), (3, 67272926), (6, 33636463), (7, 28831254), (14, 14415627), (21, 9610418), (42, 4805209), (71, 2842518), (142, 1421259), (213, 947506), (426, 473753), (497, 406074), (994, 203037), (1491, 135358), (2982, 67679)]