28409164

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{16633}}^1$

素因数の和:16705

約数の個数: 24

約数和(自身を含む): 57753248

約数和(自身を除く): 29344084

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 16633, 33266, 66532, 116431, 232862, 465724, 1014613, 2029226, 4058452, 7102291, 14204582, 28409164]

約数ペア:

[(1, 28409164), (2, 14204582), (4, 7102291), (7, 4058452), (14, 2029226), (28, 1014613), (61, 465724), (122, 232862), (244, 116431), (427, 66532), (854, 33266), (1708, 16633)]