209591206

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{19403}}^1$

素因数の和:19907

約数の個数: 16

約数和(自身を含む): 343683648

約数和(自身を除く): 134092442

約数列:

[1, 2, 11, 22, 491, 982, 5401, 10802, 19403, 38806, 213433, 426866, 9526873, 19053746, 104795603, 209591206]

約数ペア:

[(1, 209591206), (2, 104795603), (11, 19053746), (22, 9526873), (491, 426866), (982, 213433), (5401, 38806), (10802, 19403)]