28983528

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{661}}^1$

素因数の和:712

約数の個数: 128

約数和(自身を含む): 95328000

約数和(自身を除く): 66344472

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 29, 36, 42, 54, 56, 58, 63, 72, 84, 87, 108, 116, 126, 168, 174, 189, 203, 216, 232, 252, 261, 348, 378, 406, 504, 522, 609, 661, 696, 756, 783, 812, 1044, 1218, 1322, 1512, 1566, 1624, 1827, 1983, 2088, 2436, 2644, 3132, 3654, 3966, 4627, 4872, 5288, 5481, 5949, 6264, 7308, 7932, 9254, 10962, 11898, 13881, 14616, 15864, 17847, 18508, 19169, 21924, 23796, 27762, 35694, 37016, 38338, 41643, 43848, 47592, 55524, 57507, 71388, 76676, 83286, 111048, 115014, 124929, 134183, 142776, 153352, 166572, 172521, 230028, 249858, 268366, 333144, 345042, 402549, 460056, 499716, 517563, 536732, 690084, 805098, 999432, 1035126, 1073464, 1207647, 1380168, 1610196, 2070252, 2415294, 3220392, 3622941, 4140504, 4830588, 7245882, 9661176, 14491764, 28983528]

約数ペア:

[(1, 28983528), (2, 14491764), (3, 9661176), (4, 7245882), (6, 4830588), (7, 4140504), (8, 3622941), (9, 3220392), (12, 2415294), (14, 2070252), (18, 1610196), (21, 1380168), (24, 1207647), (27, 1073464), (28, 1035126), (29, 999432), (36, 805098), (42, 690084), (54, 536732), (56, 517563), (58, 499716), (63, 460056), (72, 402549), (84, 345042), (87, 333144), (108, 268366), (116, 249858), (126, 230028), (168, 172521), (174, 166572), (189, 153352), (203, 142776), (216, 134183), (232, 124929), (252, 115014), (261, 111048), (348, 83286), (378, 76676), (406, 71388), (504, 57507), (522, 55524), (609, 47592), (661, 43848), (696, 41643), (756, 38338), (783, 37016), (812, 35694), (1044, 27762), (1218, 23796), (1322, 21924), (1512, 19169), (1566, 18508), (1624, 17847), (1827, 15864), (1983, 14616), (2088, 13881), (2436, 11898), (2644, 10962), (3132, 9254), (3654, 7932), (3966, 7308), (4627, 6264), (4872, 5949), (5288, 5481)]