261888144

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{111347}}^1$

素因数の和:111372

約数の個数: 60

約数和(自身を含む): 787007664

約数和(自身を除く): 525119520

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 84, 98, 112, 147, 168, 196, 294, 336, 392, 588, 784, 1176, 2352, 111347, 222694, 334041, 445388, 668082, 779429, 890776, 1336164, 1558858, 1781552, 2338287, 2672328, 3117716, 4676574, 5344656, 5456003, 6235432, 9353148, 10912006, 12470864, 16368009, 18706296, 21824012, 32736018, 37412592, 43648024, 65472036, 87296048, 130944072, 261888144]

約数ペア:

[(1, 261888144), (2, 130944072), (3, 87296048), (4, 65472036), (6, 43648024), (7, 37412592), (8, 32736018), (12, 21824012), (14, 18706296), (16, 16368009), (21, 12470864), (24, 10912006), (28, 9353148), (42, 6235432), (48, 5456003), (49, 5344656), (56, 4676574), (84, 3117716), (98, 2672328), (112, 2338287), (147, 1781552), (168, 1558858), (196, 1336164), (294, 890776), (336, 779429), (392, 668082), (588, 445388), (784, 334041), (1176, 222694), (2352, 111347)]