28340848

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{21341}}^1$

素因数の和:21432

約数の個数: 20

約数和(自身を含む): 55574568

約数和(自身を除く): 27233720

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 21341, 42682, 85364, 170728, 341456, 1771303, 3542606, 7085212, 14170424, 28340848]

約数ペア:

[(1, 28340848), (2, 14170424), (4, 7085212), (8, 3542606), (16, 1771303), (83, 341456), (166, 170728), (332, 85364), (664, 42682), (1328, 21341)]