28303866

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{22147}}^1$

素因数の和:22226

約数の個数: 24

約数和(自身を含む): 62191584

約数和(自身を除く): 33887718

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 22147, 44294, 66441, 132882, 199323, 398646, 1572437, 3144874, 4717311, 9434622, 14151933, 28303866]

約数ペア:

[(1, 28303866), (2, 14151933), (3, 9434622), (6, 4717311), (9, 3144874), (18, 1572437), (71, 398646), (142, 199323), (213, 132882), (426, 66441), (639, 44294), (1278, 22147)]