289148918

素因数分解:

$2^1\times {\mathrm{491}}^1\times {\mathrm{523}}^1\times {\mathrm{563}}^1$

素因数の和:1579

約数の個数: 16

約数和(自身を含む): 436211136

約数和(自身を除く): 147062218

約数列:

[1, 2, 491, 523, 563, 982, 1046, 1126, 256793, 276433, 294449, 513586, 552866, 588898, 144574459, 289148918]

約数ペア:

[(1, 289148918), (2, 144574459), (491, 588898), (523, 552866), (563, 513586), (982, 294449), (1046, 276433), (1126, 256793)]