205057811

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1187}}^1$

素因数の和:1283

約数の個数: 32

約数和(自身を含む): 260029440

約数和(自身を除く): 54971629

約数列:

[1, 7, 23, 29, 37, 161, 203, 259, 667, 851, 1073, 1187, 4669, 5957, 7511, 8309, 24679, 27301, 34423, 43919, 172753, 191107, 240961, 307433, 791729, 1010137, 1273651, 5542103, 7070959, 8915557, 29293973, 205057811]

約数ペア:

[(1, 205057811), (7, 29293973), (23, 8915557), (29, 7070959), (37, 5542103), (161, 1273651), (203, 1010137), (259, 791729), (667, 307433), (851, 240961), (1073, 191107), (1187, 172753), (4669, 43919), (5957, 34423), (7511, 27301), (8309, 24679)]