28502047

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:307

約数の個数: 24

約数和(自身を含む): 35258336

約数和(自身を除く): 6756289

約数列:

[1, 7, 17, 73, 119, 193, 289, 511, 1241, 1351, 2023, 3281, 8687, 14089, 21097, 22967, 55777, 98623, 147679, 239513, 390439, 1676591, 4071721, 28502047]

約数ペア:

[(1, 28502047), (7, 4071721), (17, 1676591), (73, 390439), (119, 239513), (193, 147679), (289, 98623), (511, 55777), (1241, 22967), (1351, 21097), (2023, 14089), (3281, 8687)]