291228646

素因数分解:

$2^1\times {\mathrm{197}}^1\times {\mathrm{839}}^1\times {\mathrm{881}}^1$

素因数の和:1919

約数の個数: 16

約数和(自身を含む): 440082720

約数和(自身を除く): 148854074

約数列:

[1, 2, 197, 394, 839, 881, 1678, 1762, 165283, 173557, 330566, 347114, 739159, 1478318, 145614323, 291228646]

約数ペア:

[(1, 291228646), (2, 145614323), (197, 1478318), (394, 739159), (839, 347114), (881, 330566), (1678, 173557), (1762, 165283)]