9980894

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{64811}}^1$

素因数の和:64831

約数の個数: 16

約数和(自身を含む): 18665856

約数和(自身を除く): 8684962

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 64811, 129622, 453677, 712921, 907354, 1425842, 4990447, 9980894]

約数ペア:

[(1, 9980894), (2, 4990447), (7, 1425842), (11, 907354), (14, 712921), (22, 453677), (77, 129622), (154, 64811)]