261657244

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{23813}}^1$

素因数の和:23925

約数の個数: 24

約数和(自身を含む): 476089488

約数和(自身を除く): 214432244

約数列:

[1, 2, 4, 41, 67, 82, 134, 164, 268, 2747, 5494, 10988, 23813, 47626, 95252, 976333, 1595471, 1952666, 3190942, 3905332, 6381884, 65414311, 130828622, 261657244]

約数ペア:

[(1, 261657244), (2, 130828622), (4, 65414311), (41, 6381884), (67, 3905332), (82, 3190942), (134, 1952666), (164, 1595471), (268, 976333), (2747, 95252), (5494, 47626), (10988, 23813)]