1330978894

素因数分解:

$2^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{394481}}^1$

素因数の和:394731

約数の個数: 16

約数和(自身を含む): 2291151456

約数和(自身を除く): 960172562

約数列:

[1, 2, 7, 14, 241, 482, 1687, 3374, 394481, 788962, 2761367, 5522734, 95069921, 190139842, 665489447, 1330978894]

約数ペア:

[(1, 1330978894), (2, 665489447), (7, 190139842), (14, 95069921), (241, 5522734), (482, 2761367), (1687, 788962), (3374, 394481)]