129401426

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{840269}}^1$

素因数の和:840289

約数の個数: 16

約数和(自身を含む): 241997760

約数和(自身を除く): 112596334

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 840269, 1680538, 5881883, 9242959, 11763766, 18485918, 64700713, 129401426]

約数ペア:

[(1, 129401426), (2, 64700713), (7, 18485918), (11, 11763766), (14, 9242959), (22, 5881883), (77, 1680538), (154, 840269)]