28742756

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{21841}}^1$

素因数の和:21899

約数の個数: 24

約数和(自身を含む): 58711296

約数和(自身を除く): 29968540

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 21841, 43682, 87364, 152887, 305774, 611548, 1026527, 2053054, 4106108, 7185689, 14371378, 28742756]

約数ペア:

[(1, 28742756), (2, 14371378), (4, 7185689), (7, 4106108), (14, 2053054), (28, 1026527), (47, 611548), (94, 305774), (188, 152887), (329, 87364), (658, 43682), (1316, 21841)]