40219249

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1$

素因数の和:445

約数の個数: 24

約数和(自身を含む): 49379328

約数和(自身を除く): 9160079

約数列:

[1, 7, 23, 49, 127, 161, 281, 889, 1127, 1967, 2921, 6223, 6463, 13769, 20447, 35687, 45241, 143129, 249809, 316687, 820801, 1748663, 5745607, 40219249]

約数ペア:

[(1, 40219249), (7, 5745607), (23, 1748663), (49, 820801), (127, 316687), (161, 249809), (281, 143129), (889, 45241), (1127, 35687), (1967, 20447), (2921, 13769), (6223, 6463)]