81288488

素因数分解:

$2^3\times {\mathrm{1607}}^1\times {\mathrm{6323}}^1$

素因数の和:7936

約数の個数: 16

約数和(自身を含む): 152534880

約数和(自身を除く): 71246392

約数列:

[1, 2, 4, 8, 1607, 3214, 6323, 6428, 12646, 12856, 25292, 50584, 10161061, 20322122, 40644244, 81288488]

約数ペア:

[(1, 81288488), (2, 40644244), (4, 20322122), (8, 10161061), (1607, 50584), (3214, 25292), (6323, 12856), (6428, 12646)]