217586411

素因数分解:

$7^2\times {\mathrm{229}}^1\times {\mathrm{19391}}^1$

素因数の和:19634

約数の個数: 12

約数和(自身を含む): 254229120

約数和(自身を除く): 36642709

約数列:

[1, 7, 49, 229, 1603, 11221, 19391, 135737, 950159, 4440539, 31083773, 217586411]

約数ペア:

[(1, 217586411), (7, 31083773), (49, 4440539), (229, 950159), (1603, 135737), (11221, 19391)]