217465652014

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{643389503}}^1$

素因数の和:643389531

約数の個数: 12

約数和(自身を含む): 353220837696

約数和(自身を除く): 135755185682

約数列:

[1, 2, 13, 26, 169, 338, 643389503, 1286779006, 8364063539, 16728127078, 108732826007, 217465652014]

約数ペア:

[(1, 217465652014), (2, 108732826007), (13, 16728127078), (26, 8364063539), (169, 1286779006), (338, 643389503)]