261521208

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9013}}^1$

素因数の和:9069

約数の個数: 96

約数和(自身を含む): 787463040

約数和(自身を除く): 525941832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 31, 36, 39, 52, 62, 72, 78, 93, 104, 117, 124, 156, 186, 234, 248, 279, 312, 372, 403, 468, 558, 744, 806, 936, 1116, 1209, 1612, 2232, 2418, 3224, 3627, 4836, 7254, 9013, 9672, 14508, 18026, 27039, 29016, 36052, 54078, 72104, 81117, 108156, 117169, 162234, 216312, 234338, 279403, 324468, 351507, 468676, 558806, 648936, 703014, 838209, 937352, 1054521, 1117612, 1406028, 1676418, 2109042, 2235224, 2514627, 2812056, 3352836, 3632239, 4218084, 5029254, 6705672, 7264478, 8436168, 10058508, 10896717, 14528956, 20117016, 21793434, 29057912, 32690151, 43586868, 65380302, 87173736, 130760604, 261521208]

約数ペア:

[(1, 261521208), (2, 130760604), (3, 87173736), (4, 65380302), (6, 43586868), (8, 32690151), (9, 29057912), (12, 21793434), (13, 20117016), (18, 14528956), (24, 10896717), (26, 10058508), (31, 8436168), (36, 7264478), (39, 6705672), (52, 5029254), (62, 4218084), (72, 3632239), (78, 3352836), (93, 2812056), (104, 2514627), (117, 2235224), (124, 2109042), (156, 1676418), (186, 1406028), (234, 1117612), (248, 1054521), (279, 937352), (312, 838209), (372, 703014), (403, 648936), (468, 558806), (558, 468676), (744, 351507), (806, 324468), (936, 279403), (1116, 234338), (1209, 216312), (1612, 162234), (2232, 117169), (2418, 108156), (3224, 81117), (3627, 72104), (4836, 54078), (7254, 36052), (9013, 29016), (9672, 27039), (14508, 18026)]