1278447737

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{2237}}^1\times {\mathrm{4297}}^1$

素因数の和:6560

約数の個数: 16

約数和(自身を含む): 1539027840

約数和(自身を除く): 260580103

約数列:

[1, 7, 19, 133, 2237, 4297, 15659, 30079, 42503, 81643, 297521, 571501, 9612389, 67286723, 182635391, 1278447737]

約数ペア:

[(1, 1278447737), (7, 182635391), (19, 67286723), (133, 9612389), (2237, 571501), (4297, 297521), (15659, 81643), (30079, 42503)]