221989075

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{115319}}^1$

素因数の和:115347

約数の個数: 24

約数和(自身を含む): 343192320

約数和(自身を除く): 121203245

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 1925, 115319, 576595, 807233, 1268509, 2882975, 4036165, 6342545, 8879563, 20180825, 31712725, 44397815, 221989075]

約数ペア:

[(1, 221989075), (5, 44397815), (7, 31712725), (11, 20180825), (25, 8879563), (35, 6342545), (55, 4036165), (77, 2882975), (175, 1268509), (275, 807233), (385, 576595), (1925, 115319)]