199804178

素因数分解:

$2^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{43117}}^1$

素因数の和:43457

約数の個数: 16

約数和(自身を含む): 343564224

約数和(自身を除く): 143760046

約数列:

[1, 2, 7, 14, 331, 662, 2317, 4634, 43117, 86234, 301819, 603638, 14271727, 28543454, 99902089, 199804178]

約数ペア:

[(1, 199804178), (2, 99902089), (7, 28543454), (14, 14271727), (331, 603638), (662, 301819), (2317, 86234), (4634, 43117)]