388987918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1129}}^1\times {\mathrm{15661}}^1$

素因数の和:16803

約数の個数: 16

約数和(自身を含む): 637130160

約数和(自身を除く): 248142242

約数列:

[1, 2, 11, 22, 1129, 2258, 12419, 15661, 24838, 31322, 172271, 344542, 17681269, 35362538, 194493959, 388987918]

約数ペア:

[(1, 388987918), (2, 194493959), (11, 35362538), (22, 17681269), (1129, 344542), (2258, 172271), (12419, 31322), (15661, 24838)]