289481225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{22397}}^1$

素因数の和:22465

約数の個数: 24

約数和(自身を含む): 399938688

約数和(自身を除く): 110457463

約数列:

[1, 5, 11, 25, 47, 55, 235, 275, 517, 1175, 2585, 12925, 22397, 111985, 246367, 559925, 1052659, 1231835, 5263295, 6159175, 11579249, 26316475, 57896245, 289481225]

約数ペア:

[(1, 289481225), (5, 57896245), (11, 26316475), (25, 11579249), (47, 6159175), (55, 5263295), (235, 1231835), (275, 1052659), (517, 559925), (1175, 246367), (2585, 111985), (12925, 22397)]