66975386

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1\times {\mathrm{1997}}^1$

素因数の和:2449

約数の個数: 16

約数和(自身を含む): 103216680

約数和(自身を除く): 36241294

約数列:

[1, 2, 41, 82, 409, 818, 1997, 3994, 16769, 33538, 81877, 163754, 816773, 1633546, 33487693, 66975386]

約数ペア:

[(1, 66975386), (2, 33487693), (41, 1633546), (82, 816773), (409, 163754), (818, 81877), (1997, 33538), (3994, 16769)]