28243943

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{439}}^1$

素因数の和:567

約数の個数: 24

約数和(自身を含む): 35814240

約数和(自身を除く): 7570297

約数列:

[1, 7, 13, 49, 91, 101, 439, 637, 707, 1313, 3073, 4949, 5707, 9191, 21511, 39949, 44339, 64337, 279643, 310373, 576407, 2172611, 4034849, 28243943]

約数ペア:

[(1, 28243943), (7, 4034849), (13, 2172611), (49, 576407), (91, 310373), (101, 279643), (439, 64337), (637, 44339), (707, 39949), (1313, 21511), (3073, 9191), (4949, 5707)]