2109559417

素因数分解:

$7^4\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{353}}^1$

素因数の和:531

約数の個数: 40

約数和(自身を含む): 2617702560

約数和(自身を除く): 508143143

約数列:

[1, 7, 19, 49, 131, 133, 343, 353, 917, 931, 2401, 2471, 2489, 6419, 6517, 6707, 17297, 17423, 44933, 45619, 46243, 46949, 121079, 121961, 314531, 323701, 328643, 847553, 853727, 878617, 2265907, 2300501, 5976089, 6150319, 15861349, 16103507, 43052233, 111029443, 301365631, 2109559417]

約数ペア:

[(1, 2109559417), (7, 301365631), (19, 111029443), (49, 43052233), (131, 16103507), (133, 15861349), (343, 6150319), (353, 5976089), (917, 2300501), (931, 2265907), (2401, 878617), (2471, 853727), (2489, 847553), (6419, 328643), (6517, 323701), (6707, 314531), (17297, 121961), (17423, 121079), (44933, 46949), (45619, 46243)]