991081294

素因数分解:

$2^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{661603}}^1$

素因数の和:661719

約数の個数: 16

約数和(自身を含む): 1714877568

約数和(自身を除く): 723796274

約数列:

[1, 2, 7, 14, 107, 214, 749, 1498, 661603, 1323206, 4631221, 9262442, 70791521, 141583042, 495540647, 991081294]

約数ペア:

[(1, 991081294), (2, 495540647), (7, 141583042), (14, 70791521), (107, 9262442), (214, 4631221), (749, 1323206), (1498, 661603)]