78217775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2791}}^1$

素因数の和:2879

約数の個数: 24

約数和(自身を含む): 103862400

約数和(自身を除く): 25644625

約数列:

[1, 5, 19, 25, 59, 95, 295, 475, 1121, 1475, 2791, 5605, 13955, 28025, 53029, 69775, 164669, 265145, 823345, 1325725, 3128711, 4116725, 15643555, 78217775]

約数ペア:

[(1, 78217775), (5, 15643555), (19, 4116725), (25, 3128711), (59, 1325725), (95, 823345), (295, 265145), (475, 164669), (1121, 69775), (1475, 53029), (2791, 28025), (5605, 13955)]