389634658

素因数分解:

$2^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{66107}}^1$

素因数の和:66537

約数の個数: 16

約数和(自身を含む): 669541824

約数和(自身を除く): 279907166

約数列:

[1, 2, 7, 14, 421, 842, 2947, 5894, 66107, 132214, 462749, 925498, 27831047, 55662094, 194817329, 389634658]

約数ペア:

[(1, 389634658), (2, 194817329), (7, 55662094), (14, 27831047), (421, 925498), (842, 462749), (2947, 132214), (5894, 66107)]