209199452

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{679219}}^1$

素因数の和:679241

約数の個数: 24

約数和(自身を含む): 456435840

約数和(自身を除く): 247236388

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 679219, 1358438, 2716876, 4754533, 7471409, 9509066, 14942818, 19018132, 29885636, 52299863, 104599726, 209199452]

約数ペア:

[(1, 209199452), (2, 104599726), (4, 52299863), (7, 29885636), (11, 19018132), (14, 14942818), (22, 9509066), (28, 7471409), (44, 4754533), (77, 2716876), (154, 1358438), (308, 679219)]