207970984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1999721}}^1$

素因数の和:1999740

約数の個数: 16

約数和(自身を含む): 419941620

約数和(自身を除く): 211970636

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1999721, 3999442, 7998884, 15997768, 25996373, 51992746, 103985492, 207970984]

約数ペア:

[(1, 207970984), (2, 103985492), (4, 51992746), (8, 25996373), (13, 15997768), (26, 7998884), (52, 3999442), (104, 1999721)]