214903997

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{90031}}^1$

素因数の和:90080

約数の個数: 16

約数和(自身を含む): 276578304

約数和(自身を除く): 61674307

約数列:

[1, 7, 11, 31, 77, 217, 341, 2387, 90031, 630217, 990341, 2790961, 6932387, 19536727, 30700571, 214903997]

約数ペア:

[(1, 214903997), (7, 30700571), (11, 19536727), (31, 6932387), (77, 2790961), (217, 990341), (341, 630217), (2387, 90031)]