205238

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1$

素因数の和:523

約数の個数: 16

約数和(自身を含む): 354240

約数和(自身を除く): 149002

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 491, 982, 5401, 9329, 10802, 18658, 102619, 205238]

約数ペア:

[(1, 205238), (2, 102619), (11, 18658), (19, 10802), (22, 9329), (38, 5401), (209, 982), (418, 491)]