28555488

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1$

素因数の和:321

約数の個数: 144

約数和(自身を含む): 90810720

約数和(自身を除く): 62255232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 29, 32, 36, 39, 48, 52, 58, 72, 78, 87, 96, 104, 116, 117, 144, 156, 174, 208, 232, 234, 261, 263, 288, 312, 348, 377, 416, 464, 468, 522, 526, 624, 696, 754, 789, 928, 936, 1044, 1052, 1131, 1248, 1392, 1508, 1578, 1872, 2088, 2104, 2262, 2367, 2784, 3016, 3156, 3393, 3419, 3744, 4176, 4208, 4524, 4734, 6032, 6312, 6786, 6838, 7627, 8352, 8416, 9048, 9468, 10257, 12064, 12624, 13572, 13676, 15254, 18096, 18936, 20514, 22881, 25248, 27144, 27352, 30508, 30771, 36192, 37872, 41028, 45762, 54288, 54704, 61016, 61542, 68643, 75744, 82056, 91524, 99151, 108576, 109408, 122032, 123084, 137286, 164112, 183048, 198302, 244064, 246168, 274572, 297453, 328224, 366096, 396604, 492336, 549144, 594906, 732192, 793208, 892359, 984672, 1098288, 1189812, 1586416, 1784718, 2196576, 2379624, 3172832, 3569436, 4759248, 7138872, 9518496, 14277744, 28555488]

約数ペア:

[(1, 28555488), (2, 14277744), (3, 9518496), (4, 7138872), (6, 4759248), (8, 3569436), (9, 3172832), (12, 2379624), (13, 2196576), (16, 1784718), (18, 1586416), (24, 1189812), (26, 1098288), (29, 984672), (32, 892359), (36, 793208), (39, 732192), (48, 594906), (52, 549144), (58, 492336), (72, 396604), (78, 366096), (87, 328224), (96, 297453), (104, 274572), (116, 246168), (117, 244064), (144, 198302), (156, 183048), (174, 164112), (208, 137286), (232, 123084), (234, 122032), (261, 109408), (263, 108576), (288, 99151), (312, 91524), (348, 82056), (377, 75744), (416, 68643), (464, 61542), (468, 61016), (522, 54704), (526, 54288), (624, 45762), (696, 41028), (754, 37872), (789, 36192), (928, 30771), (936, 30508), (1044, 27352), (1052, 27144), (1131, 25248), (1248, 22881), (1392, 20514), (1508, 18936), (1578, 18096), (1872, 15254), (2088, 13676), (2104, 13572), (2262, 12624), (2367, 12064), (2784, 10257), (3016, 9468), (3156, 9048), (3393, 8416), (3419, 8352), (3744, 7627), (4176, 6838), (4208, 6786), (4524, 6312), (4734, 6032)]