289323404

素因数分解:

$2^2\times {\mathrm{257}}^1\times {\mathrm{431}}^1\times {\mathrm{653}}^1$

素因数の和:1345

約数の個数: 24

約数和(自身を含む): 510245568

約数和(自身を除く): 220922164

約数列:

[1, 2, 4, 257, 431, 514, 653, 862, 1028, 1306, 1724, 2612, 110767, 167821, 221534, 281443, 335642, 443068, 562886, 671284, 1125772, 72330851, 144661702, 289323404]

約数ペア:

[(1, 289323404), (2, 144661702), (4, 72330851), (257, 1125772), (431, 671284), (514, 562886), (653, 443068), (862, 335642), (1028, 281443), (1306, 221534), (1724, 167821), (2612, 110767)]