28025262

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{21929}}^1$

素因数の和:22008

約数の個数: 24

約数和(自身を含む): 61579440

約数和(自身を除く): 33554178

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 21929, 43858, 65787, 131574, 197361, 394722, 1556959, 3113918, 4670877, 9341754, 14012631, 28025262]

約数ペア:

[(1, 28025262), (2, 14012631), (3, 9341754), (6, 4670877), (9, 3113918), (18, 1556959), (71, 394722), (142, 197361), (213, 131574), (426, 65787), (639, 43858), (1278, 21929)]