128283001

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{2591}}^1$

素因数の和:3252

約数の個数: 16

約数和(自身を含む): 160247808

約数和(自身を除く): 31964807

約数列:

[1, 7, 11, 77, 643, 2591, 4501, 7073, 18137, 28501, 49511, 199507, 1666013, 11662091, 18326143, 128283001]

約数ペア:

[(1, 128283001), (7, 18326143), (11, 11662091), (77, 1666013), (643, 199507), (2591, 49511), (4501, 28501), (7073, 18137)]