81430426

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{617}}^1\times {\mathrm{857}}^1$

素因数の和:1494

約数の個数: 32

約数和(自身を含む): 152710272

約数和(自身を除く): 71279846

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 617, 857, 1234, 1714, 4319, 5999, 6787, 8638, 9427, 11998, 13574, 18854, 47509, 65989, 95018, 131978, 528769, 1057538, 3701383, 5816459, 7402766, 11632918, 40715213, 81430426]

約数ペア:

[(1, 81430426), (2, 40715213), (7, 11632918), (11, 7402766), (14, 5816459), (22, 3701383), (77, 1057538), (154, 528769), (617, 131978), (857, 95018), (1234, 65989), (1714, 47509), (4319, 18854), (5999, 13574), (6787, 11998), (8638, 9427)]