855747838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1787}}^1\times {\mathrm{21767}}^1$

素因数の和:23567

約数の個数: 16

約数和(自身を含む): 1401162624

約数和(自身を除く): 545414786

約数列:

[1, 2, 11, 22, 1787, 3574, 19657, 21767, 39314, 43534, 239437, 478874, 38897629, 77795258, 427873919, 855747838]

約数ペア:

[(1, 855747838), (2, 427873919), (11, 77795258), (22, 38897629), (1787, 478874), (3574, 239437), (19657, 43534), (21767, 39314)]