980706815

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{643}}^1\times {\mathrm{2521}}^1$

素因数の和:3191

約数の個数: 24

約数和(自身を含む): 1296086064

約数和(自身を除く): 315379249

約数列:

[1, 5, 11, 55, 121, 605, 643, 2521, 3215, 7073, 12605, 27731, 35365, 77803, 138655, 305041, 389015, 1525205, 1621003, 8105015, 17831033, 89155165, 196141363, 980706815]

約数ペア:

[(1, 980706815), (5, 196141363), (11, 89155165), (55, 17831033), (121, 8105015), (605, 1621003), (643, 1525205), (2521, 389015), (3215, 305041), (7073, 138655), (12605, 77803), (27731, 35365)]