2721206878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1974751}}^1$

素因数の和:1974819

約数の個数: 16

約数和(自身を含む): 4478737536

約数和(自身を除く): 1757530658

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 1974751, 3949502, 25671763, 51343526, 104661803, 209323606, 1360603439, 2721206878]

約数ペア:

[(1, 2721206878), (2, 1360603439), (13, 209323606), (26, 104661803), (53, 51343526), (106, 25671763), (689, 3949502), (1378, 1974751)]