261399864

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{990151}}^1$

素因数の和:990171

約数の個数: 32

約数和(自身を含む): 712909440

約数和(自身を除く): 451509576

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 990151, 1980302, 2970453, 3960604, 5940906, 7921208, 10891661, 11881812, 21783322, 23763624, 32674983, 43566644, 65349966, 87133288, 130699932, 261399864]

約数ペア:

[(1, 261399864), (2, 130699932), (3, 87133288), (4, 65349966), (6, 43566644), (8, 32674983), (11, 23763624), (12, 21783322), (22, 11881812), (24, 10891661), (33, 7921208), (44, 5940906), (66, 3960604), (88, 2970453), (132, 1980302), (264, 990151)]