278889216

素因数分解:

$2^8\times 3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{521}}^1$

素因数の和:598

約数の個数: 144

約数和(自身を含む): 806627808

約数和(自身を除く): 527738592

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 41, 48, 51, 64, 68, 82, 96, 102, 123, 128, 136, 164, 192, 204, 246, 256, 272, 328, 384, 408, 492, 521, 544, 656, 697, 768, 816, 984, 1042, 1088, 1312, 1394, 1563, 1632, 1968, 2084, 2091, 2176, 2624, 2788, 3126, 3264, 3936, 4168, 4182, 4352, 5248, 5576, 6252, 6528, 7872, 8336, 8364, 8857, 10496, 11152, 12504, 13056, 15744, 16672, 16728, 17714, 21361, 22304, 25008, 26571, 31488, 33344, 33456, 35428, 42722, 44608, 50016, 53142, 64083, 66688, 66912, 70856, 85444, 89216, 100032, 106284, 128166, 133376, 133824, 141712, 170888, 178432, 200064, 212568, 256332, 267648, 283424, 341776, 363137, 400128, 425136, 512664, 535296, 566848, 683552, 726274, 850272, 1025328, 1089411, 1133696, 1367104, 1452548, 1700544, 2050656, 2178822, 2267392, 2734208, 2905096, 3401088, 4101312, 4357644, 5468416, 5810192, 6802176, 8202624, 8715288, 11620384, 16405248, 17430576, 23240768, 34861152, 46481536, 69722304, 92963072, 139444608, 278889216]

約数ペア:

[(1, 278889216), (2, 139444608), (3, 92963072), (4, 69722304), (6, 46481536), (8, 34861152), (12, 23240768), (16, 17430576), (17, 16405248), (24, 11620384), (32, 8715288), (34, 8202624), (41, 6802176), (48, 5810192), (51, 5468416), (64, 4357644), (68, 4101312), (82, 3401088), (96, 2905096), (102, 2734208), (123, 2267392), (128, 2178822), (136, 2050656), (164, 1700544), (192, 1452548), (204, 1367104), (246, 1133696), (256, 1089411), (272, 1025328), (328, 850272), (384, 726274), (408, 683552), (492, 566848), (521, 535296), (544, 512664), (656, 425136), (697, 400128), (768, 363137), (816, 341776), (984, 283424), (1042, 267648), (1088, 256332), (1312, 212568), (1394, 200064), (1563, 178432), (1632, 170888), (1968, 141712), (2084, 133824), (2091, 133376), (2176, 128166), (2624, 106284), (2788, 100032), (3126, 89216), (3264, 85444), (3936, 70856), (4168, 66912), (4182, 66688), (4352, 64083), (5248, 53142), (5576, 50016), (6252, 44608), (6528, 42722), (7872, 35428), (8336, 33456), (8364, 33344), (8857, 31488), (10496, 26571), (11152, 25008), (12504, 22304), (13056, 21361), (15744, 17714), (16672, 16728)]