1978262

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6917}}^1$

素因数の和:6943

約数の個数: 16

約数和(自身を含む): 3486672

約数和(自身を除く): 1508410

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 6917, 13834, 76087, 89921, 152174, 179842, 989131, 1978262]

約数ペア:

[(1, 1978262), (2, 989131), (11, 179842), (13, 152174), (22, 89921), (26, 76087), (143, 13834), (286, 6917)]