257796352

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2129}}^1$

素因数の和:2199

約数の個数: 72

約数和(自身を含む): 574691040

約数和(自身を除く): 316894688

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 43, 44, 64, 86, 88, 128, 172, 176, 256, 344, 352, 473, 688, 704, 946, 1376, 1408, 1892, 2129, 2752, 2816, 3784, 4258, 5504, 7568, 8516, 11008, 15136, 17032, 23419, 30272, 34064, 46838, 60544, 68128, 91547, 93676, 121088, 136256, 183094, 187352, 272512, 366188, 374704, 545024, 732376, 749408, 1007017, 1464752, 1498816, 2014034, 2929504, 2997632, 4028068, 5859008, 5995264, 8056136, 11718016, 16112272, 23436032, 32224544, 64449088, 128898176, 257796352]

約数ペア:

[(1, 257796352), (2, 128898176), (4, 64449088), (8, 32224544), (11, 23436032), (16, 16112272), (22, 11718016), (32, 8056136), (43, 5995264), (44, 5859008), (64, 4028068), (86, 2997632), (88, 2929504), (128, 2014034), (172, 1498816), (176, 1464752), (256, 1007017), (344, 749408), (352, 732376), (473, 545024), (688, 374704), (704, 366188), (946, 272512), (1376, 187352), (1408, 183094), (1892, 136256), (2129, 121088), (2752, 93676), (2816, 91547), (3784, 68128), (4258, 60544), (5504, 46838), (7568, 34064), (8516, 30272), (11008, 23419), (15136, 17032)]