22218925

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{409}}^1$

素因数の和:513

約数の個数: 24

約数和(自身を含む): 28826280

約数和(自身を除く): 6607355

約数列:

[1, 5, 25, 41, 53, 205, 265, 409, 1025, 1325, 2045, 2173, 10225, 10865, 16769, 21677, 54325, 83845, 108385, 419225, 541925, 888757, 4443785, 22218925]

約数ペア:

[(1, 22218925), (5, 4443785), (25, 888757), (41, 541925), (53, 419225), (205, 108385), (265, 83845), (409, 54325), (1025, 21677), (1325, 16769), (2045, 10865), (2173, 10225)]