64951865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{16633}}^1$

素因数の和:16720

約数の個数: 16

約数和(自身を含む): 86230656

約数和(自身を除く): 21278791

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 16633, 83165, 182963, 914815, 1180943, 5904715, 12990373, 64951865]

約数ペア:

[(1, 64951865), (5, 12990373), (11, 5904715), (55, 1180943), (71, 914815), (355, 182963), (781, 83165), (3905, 16633)]