217947575

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{12401}}^1$

素因数の和:12467

約数の個数: 24

約数和(自身を含む): 292191120

約数和(自身を除く): 74243545

約数列:

[1, 5, 19, 25, 37, 95, 185, 475, 703, 925, 3515, 12401, 17575, 62005, 235619, 310025, 458837, 1178095, 2294185, 5890475, 8717903, 11470925, 43589515, 217947575]

約数ペア:

[(1, 217947575), (5, 43589515), (19, 11470925), (25, 8717903), (37, 5890475), (95, 2294185), (185, 1178095), (475, 458837), (703, 310025), (925, 235619), (3515, 62005), (12401, 17575)]