261885008

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{30367}}^1$

素因数の和:30400

約数の個数: 60

約数和(自身を含む): 643923072

約数和(自身を除く): 382038064

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 308, 392, 539, 616, 784, 1078, 1232, 2156, 4312, 8624, 30367, 60734, 121468, 212569, 242936, 334037, 425138, 485872, 668074, 850276, 1336148, 1487983, 1700552, 2338259, 2672296, 2975966, 3401104, 4676518, 5344592, 5951932, 9353036, 11903864, 16367813, 18706072, 23807728, 32735626, 37412144, 65471252, 130942504, 261885008]

約数ペア:

[(1, 261885008), (2, 130942504), (4, 65471252), (7, 37412144), (8, 32735626), (11, 23807728), (14, 18706072), (16, 16367813), (22, 11903864), (28, 9353036), (44, 5951932), (49, 5344592), (56, 4676518), (77, 3401104), (88, 2975966), (98, 2672296), (112, 2338259), (154, 1700552), (176, 1487983), (196, 1336148), (308, 850276), (392, 668074), (539, 485872), (616, 425138), (784, 334037), (1078, 242936), (1232, 212569), (2156, 121468), (4312, 60734), (8624, 30367)]