639468599

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{80629}}^1$

素因数の和:80750

約数の個数: 16

約数和(自身を含む): 805009920

約数和(自身を除く): 165541321

約数列:

[1, 7, 11, 77, 103, 721, 1133, 7931, 80629, 564403, 886919, 6208433, 8304787, 58133509, 91352657, 639468599]

約数ペア:

[(1, 639468599), (7, 91352657), (11, 58133509), (77, 8304787), (103, 6208433), (721, 886919), (1133, 564403), (7931, 80629)]