720857516

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{661}}^1\times {\mathrm{4621}}^1$

素因数の和:5345

約数の個数: 24

約数和(自身を含む): 1285100880

約数和(自身を除く): 564243364

約数列:

[1, 2, 4, 59, 118, 236, 661, 1322, 2644, 4621, 9242, 18484, 38999, 77998, 155996, 272639, 545278, 1090556, 3054481, 6108962, 12217924, 180214379, 360428758, 720857516]

約数ペア:

[(1, 720857516), (2, 360428758), (4, 180214379), (59, 12217924), (118, 6108962), (236, 3054481), (661, 1090556), (1322, 545278), (2644, 272639), (4621, 155996), (9242, 77998), (18484, 38999)]