28478470

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{643}}^1$

素因数の和:796

約数の個数: 32

約数和(自身を含む): 53044992

約数和(自身を除く): 24566522

約数列:

[1, 2, 5, 10, 43, 86, 103, 206, 215, 430, 515, 643, 1030, 1286, 3215, 4429, 6430, 8858, 22145, 27649, 44290, 55298, 66229, 132458, 138245, 276490, 331145, 662290, 2847847, 5695694, 14239235, 28478470]

約数ペア:

[(1, 28478470), (2, 14239235), (5, 5695694), (10, 2847847), (43, 662290), (86, 331145), (103, 276490), (206, 138245), (215, 132458), (430, 66229), (515, 55298), (643, 44290), (1030, 27649), (1286, 22145), (3215, 8858), (4429, 6430)]