1279883521

素因数分解:

$7^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1\times {\mathrm{3701}}^1$

素因数の和:4224

約数の個数: 16

約数和(自身を含む): 1478430720

約数和(自身を除く): 198547199

約数列:

[1, 7, 127, 389, 889, 2723, 3701, 25907, 49403, 345821, 470027, 1439689, 3290189, 10077823, 182840503, 1279883521]

約数ペア:

[(1, 1279883521), (7, 182840503), (127, 10077823), (389, 3290189), (889, 1439689), (2723, 470027), (3701, 345821), (25907, 49403)]