28909756

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{409}}^1\times {\mathrm{431}}^1$

素因数の和:885

約数の個数: 24

約数和(自身を含む): 52073280

約数和(自身を除く): 23163524

約数列:

[1, 2, 4, 41, 82, 164, 409, 431, 818, 862, 1636, 1724, 16769, 17671, 33538, 35342, 67076, 70684, 176279, 352558, 705116, 7227439, 14454878, 28909756]

約数ペア:

[(1, 28909756), (2, 14454878), (4, 7227439), (41, 705116), (82, 352558), (164, 176279), (409, 70684), (431, 67076), (818, 35342), (862, 33538), (1636, 17671), (1724, 16769)]