2550401

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:141

約数の個数: 24

約数和(自身を含む): 3239424

約数和(自身を除く): 689023

約数列:

[1, 7, 23, 31, 49, 73, 161, 217, 511, 713, 1127, 1519, 1679, 2263, 3577, 4991, 11753, 15841, 34937, 52049, 82271, 110887, 364343, 2550401]

約数ペア:

[(1, 2550401), (7, 364343), (23, 110887), (31, 82271), (49, 52049), (73, 34937), (161, 15841), (217, 11753), (511, 4991), (713, 3577), (1127, 2263), (1519, 1679)]