28905274

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{1979}}^1$

素因数の和:2157

約数の個数: 16

約数和(自身を含む): 44431200

約数和(自身を除く): 15525926

約数列:

[1, 2, 67, 109, 134, 218, 1979, 3958, 7303, 14606, 132593, 215711, 265186, 431422, 14452637, 28905274]

約数ペア:

[(1, 28905274), (2, 14452637), (67, 431422), (109, 265186), (134, 215711), (218, 132593), (1979, 14606), (3958, 7303)]