209515526

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{39847}}^1$

素因数の和:40099

約数の個数: 16

約数和(自身を含む): 344286720

約数和(自身を除く): 134771194

約数列:

[1, 2, 11, 22, 239, 478, 2629, 5258, 39847, 79694, 438317, 876634, 9523433, 19046866, 104757763, 209515526]

約数ペア:

[(1, 209515526), (2, 104757763), (11, 19046866), (22, 9523433), (239, 876634), (478, 438317), (2629, 79694), (5258, 39847)]