28776013

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{409}}^1$

素因数の和:481

約数の個数: 24

約数和(自身を含む): 36276800

約数和(自身を除く): 7500787

約数列:

[1, 7, 19, 23, 133, 161, 409, 437, 529, 2863, 3059, 3703, 7771, 9407, 10051, 54397, 65849, 70357, 178733, 216361, 1251131, 1514527, 4110859, 28776013]

約数ペア:

[(1, 28776013), (7, 4110859), (19, 1514527), (23, 1251131), (133, 216361), (161, 178733), (409, 70357), (437, 65849), (529, 54397), (2863, 10051), (3059, 9407), (3703, 7771)]