81874468

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{761}}^1\times {\mathrm{2069}}^1$

素因数の和:2847

約数の個数: 24

約数和(自身を含む): 154579320

約数和(自身を除く): 72704852

約数列:

[1, 2, 4, 13, 26, 52, 761, 1522, 2069, 3044, 4138, 8276, 9893, 19786, 26897, 39572, 53794, 107588, 1574509, 3149018, 6298036, 20468617, 40937234, 81874468]

約数ペア:

[(1, 81874468), (2, 40937234), (4, 20468617), (13, 6298036), (26, 3149018), (52, 1574509), (761, 107588), (1522, 53794), (2069, 39572), (3044, 26897), (4138, 19786), (8276, 9893)]