261585152

素因数分解:

$2^8\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1$

素因数の和:335

約数の個数: 72

約数和(自身を含む): 538732992

約数和(自身を除く): 277147840

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 101, 128, 134, 151, 202, 256, 268, 302, 404, 536, 604, 808, 1072, 1208, 1616, 2144, 2416, 3232, 4288, 4832, 6464, 6767, 8576, 9664, 10117, 12928, 13534, 15251, 17152, 19328, 20234, 25856, 27068, 30502, 38656, 40468, 54136, 61004, 80936, 108272, 122008, 161872, 216544, 244016, 323744, 433088, 488032, 647488, 866176, 976064, 1021817, 1294976, 1732352, 1952128, 2043634, 2589952, 3904256, 4087268, 8174536, 16349072, 32698144, 65396288, 130792576, 261585152]

約数ペア:

[(1, 261585152), (2, 130792576), (4, 65396288), (8, 32698144), (16, 16349072), (32, 8174536), (64, 4087268), (67, 3904256), (101, 2589952), (128, 2043634), (134, 1952128), (151, 1732352), (202, 1294976), (256, 1021817), (268, 976064), (302, 866176), (404, 647488), (536, 488032), (604, 433088), (808, 323744), (1072, 244016), (1208, 216544), (1616, 161872), (2144, 122008), (2416, 108272), (3232, 80936), (4288, 61004), (4832, 54136), (6464, 40468), (6767, 38656), (8576, 30502), (9664, 27068), (10117, 25856), (12928, 20234), (13534, 19328), (15251, 17152)]