390905218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{243403}}^1$

素因数の和:243489

約数の個数: 16

約数和(自身を含む): 648428256

約数和(自身を除く): 257523038

約数列:

[1, 2, 11, 22, 73, 146, 803, 1606, 243403, 486806, 2677433, 5354866, 17768419, 35536838, 195452609, 390905218]

約数ペア:

[(1, 390905218), (2, 195452609), (11, 35536838), (22, 17768419), (73, 5354866), (146, 2677433), (803, 486806), (1606, 243403)]