680804984

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{26209}}^1$

素因数の和:26423

約数の個数: 32

約数和(自身を含む): 1358726400

約数和(自身を除く): 677921416

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 191, 382, 764, 1528, 3247, 6494, 12988, 25976, 26209, 52418, 104836, 209672, 445553, 891106, 1782212, 3564424, 5005919, 10011838, 20023676, 40047352, 85100623, 170201246, 340402492, 680804984]

約数ペア:

[(1, 680804984), (2, 340402492), (4, 170201246), (8, 85100623), (17, 40047352), (34, 20023676), (68, 10011838), (136, 5005919), (191, 3564424), (382, 1782212), (764, 891106), (1528, 445553), (3247, 209672), (6494, 104836), (12988, 52418), (25976, 26209)]