1297555

素因数分解:

$5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{283}}^1$

素因数の和:426

約数の個数: 16

約数和(自身を含む): 1799424

約数和(自身を除く): 501869

約数列:

[1, 5, 7, 35, 131, 283, 655, 917, 1415, 1981, 4585, 9905, 37073, 185365, 259511, 1297555]

約数ペア:

[(1, 1297555), (5, 259511), (7, 185365), (35, 37073), (131, 9905), (283, 4585), (655, 1981), (917, 1415)]