22809025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1549}}^1$

素因数の和:1609

約数の個数: 24

約数和(自身を含む): 30752000

約数和(自身を除く): 7942975

約数列:

[1, 5, 19, 25, 31, 95, 155, 475, 589, 775, 1549, 2945, 7745, 14725, 29431, 38725, 48019, 147155, 240095, 735775, 912361, 1200475, 4561805, 22809025]

約数ペア:

[(1, 22809025), (5, 4561805), (19, 1200475), (25, 912361), (31, 735775), (95, 240095), (155, 147155), (475, 48019), (589, 38725), (775, 29431), (1549, 14725), (2945, 7745)]