208174317

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{563}}^1$

素因数の和:1097

約数の個数: 32

約数和(自身を含む): 315840000

約数和(自身を除く): 107665683

約数列:

[1, 3, 13, 19, 39, 57, 247, 499, 563, 741, 1497, 1689, 6487, 7319, 9481, 10697, 19461, 21957, 28443, 32091, 123253, 139061, 280937, 369759, 417183, 842811, 3652181, 5337803, 10956543, 16013409, 69391439, 208174317]

約数ペア:

[(1, 208174317), (3, 69391439), (13, 16013409), (19, 10956543), (39, 5337803), (57, 3652181), (247, 842811), (499, 417183), (563, 369759), (741, 280937), (1497, 139061), (1689, 123253), (6487, 32091), (7319, 28443), (9481, 21957), (10697, 19461)]