78065281

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1181}}^1$

素因数の和:1285

約数の個数: 24

約数和(自身を含む): 97018560

約数和(自身を除く): 18953279

約数列:

[1, 7, 19, 49, 71, 133, 497, 931, 1181, 1349, 3479, 8267, 9443, 22439, 57869, 66101, 83851, 157073, 586957, 1099511, 1593169, 4108699, 11152183, 78065281]

約数ペア:

[(1, 78065281), (7, 11152183), (19, 4108699), (49, 1593169), (71, 1099511), (133, 586957), (497, 157073), (931, 83851), (1181, 66101), (1349, 57869), (3479, 22439), (8267, 9443)]