28720121474

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{7293073}}^1$

素因数の和:7293265

約数の個数: 16

約数和(自身を含む): 47259119520

約数和(自身を除く): 18538998046

約数列:

[1, 2, 11, 22, 179, 358, 1969, 3938, 7293073, 14586146, 80223803, 160447606, 1305460067, 2610920134, 14360060737, 28720121474]

約数ペア:

[(1, 28720121474), (2, 14360060737), (11, 2610920134), (22, 1305460067), (179, 160447606), (358, 80223803), (1969, 14586146), (3938, 7293073)]