1293994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1$

素因数の和:489

約数の個数: 16

約数和(自身を含む): 2110248

約数和(自身を除く): 816254

約数列:

[1, 2, 13, 26, 157, 314, 317, 634, 2041, 4082, 4121, 8242, 49769, 99538, 646997, 1293994]

約数ペア:

[(1, 1293994), (2, 646997), (13, 99538), (26, 49769), (157, 8242), (314, 4121), (317, 4082), (634, 2041)]