68989213

素因数分解:

${\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:261

約数の個数: 24

約数和(自身を含む): 77982912

約数和(自身を除く): 8993699

約数列:

[1, 17, 23, 97, 107, 289, 391, 1649, 1819, 2231, 2461, 6647, 10379, 28033, 30923, 37927, 41837, 176443, 238717, 644759, 711229, 2999531, 4058189, 68989213]

約数ペア:

[(1, 68989213), (17, 4058189), (23, 2999531), (97, 711229), (107, 644759), (289, 238717), (391, 176443), (1649, 41837), (1819, 37927), (2231, 30923), (2461, 28033), (6647, 10379)]