78257921

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{1613}}^1$

素因数の和:1888

約数の個数: 16

約数和(自身を含む): 92966400

約数和(自身を除く): 14708479

約数列:

[1, 7, 29, 203, 239, 1613, 1673, 6931, 11291, 46777, 48517, 327439, 385507, 2698549, 11179703, 78257921]

約数ペア:

[(1, 78257921), (7, 11179703), (29, 2698549), (203, 385507), (239, 327439), (1613, 48517), (1673, 46777), (6931, 11291)]