289021649

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{190271}}^1$

素因数の和:190316

約数の個数: 12

約数和(自身を含む): 347056128

約数和(自身を除く): 58034479

約数列:

[1, 7, 31, 49, 217, 1519, 190271, 1331897, 5898401, 9323279, 41288807, 289021649]

約数ペア:

[(1, 289021649), (7, 41288807), (31, 9323279), (49, 5898401), (217, 1331897), (1519, 190271)]