1988378

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1303}}^1$

素因数の和:1421

約数の個数: 16

約数和(自身を含む): 3442560

約数和(自身を除く): 1454182

約数列:

[1, 2, 7, 14, 109, 218, 763, 1303, 1526, 2606, 9121, 18242, 142027, 284054, 994189, 1988378]

約数ペア:

[(1, 1988378), (2, 994189), (7, 284054), (14, 142027), (109, 18242), (218, 9121), (763, 2606), (1303, 1526)]