218008945

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29803}}^1$

素因数の和:29845

約数の個数: 32

約数和(自身を含む): 343342080

約数和(自身を除く): 125333135

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 385, 665, 1045, 1463, 7315, 29803, 149015, 208621, 327833, 566257, 1043105, 1639165, 2294831, 2831285, 3963799, 6228827, 11474155, 19818995, 31144135, 43601789, 218008945]

約数ペア:

[(1, 218008945), (5, 43601789), (7, 31144135), (11, 19818995), (19, 11474155), (35, 6228827), (55, 3963799), (77, 2831285), (95, 2294831), (133, 1639165), (209, 1043105), (385, 566257), (665, 327833), (1045, 208621), (1463, 149015), (7315, 29803)]