28714774

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{21397}}^1$

素因数の和:21471

約数の個数: 16

約数和(自身を含む): 47760336

約数和(自身を除く): 19045562

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 21397, 42794, 235367, 470734, 1305217, 2610434, 14357387, 28714774]

約数ペア:

[(1, 28714774), (2, 14357387), (11, 2610434), (22, 1305217), (61, 470734), (122, 235367), (671, 42794), (1342, 21397)]