291581996

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{1777939}}^1$

素因数の和:1777984

約数の個数: 12

約数和(自身を含む): 522714360

約数和(自身を除く): 231132364

約数列:

[1, 2, 4, 41, 82, 164, 1777939, 3555878, 7111756, 72895499, 145790998, 291581996]

約数ペア:

[(1, 291581996), (2, 145790998), (4, 72895499), (41, 7111756), (82, 3555878), (164, 1777939)]