1263988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1249}}^1$

素因数の和:1287

約数の個数: 24

約数和(自身を含む): 2520000

約数和(自身を除く): 1256012

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 1249, 2498, 4996, 13739, 27478, 28727, 54956, 57454, 114908, 315997, 631994, 1263988]

約数ペア:

[(1, 1263988), (2, 631994), (4, 315997), (11, 114908), (22, 57454), (23, 54956), (44, 28727), (46, 27478), (92, 13739), (253, 4996), (506, 2498), (1012, 1249)]