28390538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{27457}}^1$

素因数の和:27517

約数の個数: 16

約数和(自身を含む): 47447424

約数和(自身を除く): 19056886

約数列:

[1, 2, 11, 22, 47, 94, 517, 1034, 27457, 54914, 302027, 604054, 1290479, 2580958, 14195269, 28390538]

約数ペア:

[(1, 28390538), (2, 14195269), (11, 2580958), (22, 1290479), (47, 604054), (94, 302027), (517, 54914), (1034, 27457)]