90820681

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{20627}}^1$

素因数の和:20688

約数の個数: 16

約数和(自身を含む): 112876416

約数和(自身を除く): 22055735

約数列:

[1, 7, 17, 37, 119, 259, 629, 4403, 20627, 144389, 350659, 763199, 2454613, 5342393, 12974383, 90820681]

約数ペア:

[(1, 90820681), (7, 12974383), (17, 5342393), (37, 2454613), (119, 763199), (259, 350659), (629, 144389), (4403, 20627)]