209230945

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{28603}}^1$

素因数の和:28645

約数の個数: 32

約数和(自身を含む): 329518080

約数和(自身を除く): 120287135

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 385, 665, 1045, 1463, 7315, 28603, 143015, 200221, 314633, 543457, 1001105, 1573165, 2202431, 2717285, 3804199, 5978027, 11012155, 19020995, 29890135, 41846189, 209230945]

約数ペア:

[(1, 209230945), (5, 41846189), (7, 29890135), (11, 19020995), (19, 11012155), (35, 5978027), (55, 3804199), (77, 2717285), (95, 2202431), (133, 1573165), (209, 1001105), (385, 543457), (665, 314633), (1045, 200221), (1463, 143015), (7315, 28603)]