263331648

素因数分解:

$2^6\times 3^4\times {\mathrm{79}}^1\times {\mathrm{643}}^1$

素因数の和:746

約数の個数: 140

約数和(自身を含む): 791707840

約数和(自身を除く): 528376192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 79, 81, 96, 108, 144, 158, 162, 192, 216, 237, 288, 316, 324, 432, 474, 576, 632, 643, 648, 711, 864, 948, 1264, 1286, 1296, 1422, 1728, 1896, 1929, 2133, 2528, 2572, 2592, 2844, 3792, 3858, 4266, 5056, 5144, 5184, 5688, 5787, 6399, 7584, 7716, 8532, 10288, 11376, 11574, 12798, 15168, 15432, 17064, 17361, 20576, 22752, 23148, 25596, 30864, 34128, 34722, 41152, 45504, 46296, 50797, 51192, 52083, 61728, 68256, 69444, 92592, 101594, 102384, 104166, 123456, 136512, 138888, 152391, 185184, 203188, 204768, 208332, 277776, 304782, 370368, 406376, 409536, 416664, 457173, 555552, 609564, 812752, 833328, 914346, 1111104, 1219128, 1371519, 1625504, 1666656, 1828692, 2438256, 2743038, 3251008, 3333312, 3657384, 4114557, 4876512, 5486076, 7314768, 8229114, 9753024, 10972152, 14629536, 16458228, 21944304, 29259072, 32916456, 43888608, 65832912, 87777216, 131665824, 263331648]

約数ペア:

[(1, 263331648), (2, 131665824), (3, 87777216), (4, 65832912), (6, 43888608), (8, 32916456), (9, 29259072), (12, 21944304), (16, 16458228), (18, 14629536), (24, 10972152), (27, 9753024), (32, 8229114), (36, 7314768), (48, 5486076), (54, 4876512), (64, 4114557), (72, 3657384), (79, 3333312), (81, 3251008), (96, 2743038), (108, 2438256), (144, 1828692), (158, 1666656), (162, 1625504), (192, 1371519), (216, 1219128), (237, 1111104), (288, 914346), (316, 833328), (324, 812752), (432, 609564), (474, 555552), (576, 457173), (632, 416664), (643, 409536), (648, 406376), (711, 370368), (864, 304782), (948, 277776), (1264, 208332), (1286, 204768), (1296, 203188), (1422, 185184), (1728, 152391), (1896, 138888), (1929, 136512), (2133, 123456), (2528, 104166), (2572, 102384), (2592, 101594), (2844, 92592), (3792, 69444), (3858, 68256), (4266, 61728), (5056, 52083), (5144, 51192), (5184, 50797), (5688, 46296), (5787, 45504), (6399, 41152), (7584, 34722), (7716, 34128), (8532, 30864), (10288, 25596), (11376, 23148), (11574, 22752), (12798, 20576), (15168, 17361), (15432, 17064)]