199920728

素因数分解:

$2^3\times 7^1\times {\mathrm{3570013}}^1$

素因数の和:3570026

約数の個数: 16

約数和(自身を含む): 428401680

約数和(自身を除く): 228480952

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 3570013, 7140026, 14280052, 24990091, 28560104, 49980182, 99960364, 199920728]

約数ペア:

[(1, 199920728), (2, 99960364), (4, 49980182), (7, 28560104), (8, 24990091), (14, 14280052), (28, 7140026), (56, 3570013)]