28437864

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1$

素因数の和:507

約数の個数: 128

約数和(自身を含む): 90720000

約数和(自身を除く): 62282136

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 29, 39, 42, 52, 56, 58, 78, 84, 87, 91, 104, 116, 156, 168, 174, 182, 203, 232, 273, 312, 348, 364, 377, 406, 449, 546, 609, 696, 728, 754, 812, 898, 1092, 1131, 1218, 1347, 1508, 1624, 1796, 2184, 2262, 2436, 2639, 2694, 3016, 3143, 3592, 4524, 4872, 5278, 5388, 5837, 6286, 7917, 9048, 9429, 10556, 10776, 11674, 12572, 13021, 15834, 17511, 18858, 21112, 23348, 25144, 26042, 31668, 35022, 37716, 39063, 40859, 46696, 52084, 63336, 70044, 75432, 78126, 81718, 91147, 104168, 122577, 140088, 156252, 163436, 169273, 182294, 245154, 273441, 312504, 326872, 338546, 364588, 490308, 507819, 546882, 677092, 729176, 980616, 1015638, 1093764, 1184911, 1354184, 2031276, 2187528, 2369822, 3554733, 4062552, 4739644, 7109466, 9479288, 14218932, 28437864]

約数ペア:

[(1, 28437864), (2, 14218932), (3, 9479288), (4, 7109466), (6, 4739644), (7, 4062552), (8, 3554733), (12, 2369822), (13, 2187528), (14, 2031276), (21, 1354184), (24, 1184911), (26, 1093764), (28, 1015638), (29, 980616), (39, 729176), (42, 677092), (52, 546882), (56, 507819), (58, 490308), (78, 364588), (84, 338546), (87, 326872), (91, 312504), (104, 273441), (116, 245154), (156, 182294), (168, 169273), (174, 163436), (182, 156252), (203, 140088), (232, 122577), (273, 104168), (312, 91147), (348, 81718), (364, 78126), (377, 75432), (406, 70044), (449, 63336), (546, 52084), (609, 46696), (696, 40859), (728, 39063), (754, 37716), (812, 35022), (898, 31668), (1092, 26042), (1131, 25144), (1218, 23348), (1347, 21112), (1508, 18858), (1624, 17511), (1796, 15834), (2184, 13021), (2262, 12572), (2436, 11674), (2639, 10776), (2694, 10556), (3016, 9429), (3143, 9048), (3592, 7917), (4524, 6286), (4872, 5837), (5278, 5388)]