646682012

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{20431}}^1$

素因数の和:20669

約数の個数: 24

約数和(自身を含む): 1165359552

約数和(自身を除く): 518677540

約数列:

[1, 2, 4, 41, 82, 164, 193, 386, 772, 7913, 15826, 20431, 31652, 40862, 81724, 837671, 1675342, 3350684, 3943183, 7886366, 15772732, 161670503, 323341006, 646682012]

約数ペア:

[(1, 646682012), (2, 323341006), (4, 161670503), (41, 15772732), (82, 7886366), (164, 3943183), (193, 3350684), (386, 1675342), (772, 837671), (7913, 81724), (15826, 40862), (20431, 31652)]