261398424

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{1555943}}^1$

素因数の和:1555959

約数の個数: 32

約数和(自身を含む): 746853120

約数和(自身を除く): 485454696

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 1555943, 3111886, 4667829, 6223772, 9335658, 10891601, 12447544, 18671316, 21783202, 32674803, 37342632, 43566404, 65349606, 87132808, 130699212, 261398424]

約数ペア:

[(1, 261398424), (2, 130699212), (3, 87132808), (4, 65349606), (6, 43566404), (7, 37342632), (8, 32674803), (12, 21783202), (14, 18671316), (21, 12447544), (24, 10891601), (28, 9335658), (42, 6223772), (56, 4667829), (84, 3111886), (168, 1555943)]