261338568

素因数分解:

$2^3\times 3^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1\times {\mathrm{479}}^1$

素因数の和:794

約数の個数: 64

約数和(自身を含む): 663552000

約数和(自身を除く): 402213432

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 127, 179, 254, 358, 381, 479, 508, 537, 716, 762, 958, 1016, 1074, 1432, 1437, 1524, 1916, 2148, 2874, 3048, 3832, 4296, 5748, 11496, 22733, 45466, 60833, 68199, 85741, 90932, 121666, 136398, 171482, 181864, 182499, 243332, 257223, 272796, 342964, 364998, 486664, 514446, 545592, 685928, 729996, 1028892, 1459992, 2057784, 10889107, 21778214, 32667321, 43556428, 65334642, 87112856, 130669284, 261338568]

約数ペア:

[(1, 261338568), (2, 130669284), (3, 87112856), (4, 65334642), (6, 43556428), (8, 32667321), (12, 21778214), (24, 10889107), (127, 2057784), (179, 1459992), (254, 1028892), (358, 729996), (381, 685928), (479, 545592), (508, 514446), (537, 486664), (716, 364998), (762, 342964), (958, 272796), (1016, 257223), (1074, 243332), (1432, 182499), (1437, 181864), (1524, 171482), (1916, 136398), (2148, 121666), (2874, 90932), (3048, 85741), (3832, 68199), (4296, 60833), (5748, 45466), (11496, 22733)]