28221408

素因数分解:

$2^5\times 3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:185

約数の個数: 144

約数和(自身を含む): 86486400

約数和(自身を除く): 58264992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 31, 32, 36, 48, 58, 62, 72, 87, 93, 96, 109, 116, 124, 144, 174, 186, 218, 232, 248, 261, 279, 288, 327, 348, 372, 436, 464, 496, 522, 558, 654, 696, 744, 872, 899, 928, 981, 992, 1044, 1116, 1308, 1392, 1488, 1744, 1798, 1962, 2088, 2232, 2616, 2697, 2784, 2976, 3161, 3379, 3488, 3596, 3924, 4176, 4464, 5232, 5394, 6322, 6758, 7192, 7848, 8091, 8352, 8928, 9483, 10137, 10464, 10788, 12644, 13516, 14384, 15696, 16182, 18966, 20274, 21576, 25288, 27032, 28449, 28768, 30411, 31392, 32364, 37932, 40548, 43152, 50576, 54064, 56898, 60822, 64728, 75864, 81096, 86304, 97991, 101152, 108128, 113796, 121644, 129456, 151728, 162192, 195982, 227592, 243288, 258912, 293973, 303456, 324384, 391964, 455184, 486576, 587946, 783928, 881919, 910368, 973152, 1175892, 1567856, 1763838, 2351784, 3135712, 3527676, 4703568, 7055352, 9407136, 14110704, 28221408]

約数ペア:

[(1, 28221408), (2, 14110704), (3, 9407136), (4, 7055352), (6, 4703568), (8, 3527676), (9, 3135712), (12, 2351784), (16, 1763838), (18, 1567856), (24, 1175892), (29, 973152), (31, 910368), (32, 881919), (36, 783928), (48, 587946), (58, 486576), (62, 455184), (72, 391964), (87, 324384), (93, 303456), (96, 293973), (109, 258912), (116, 243288), (124, 227592), (144, 195982), (174, 162192), (186, 151728), (218, 129456), (232, 121644), (248, 113796), (261, 108128), (279, 101152), (288, 97991), (327, 86304), (348, 81096), (372, 75864), (436, 64728), (464, 60822), (496, 56898), (522, 54064), (558, 50576), (654, 43152), (696, 40548), (744, 37932), (872, 32364), (899, 31392), (928, 30411), (981, 28768), (992, 28449), (1044, 27032), (1116, 25288), (1308, 21576), (1392, 20274), (1488, 18966), (1744, 16182), (1798, 15696), (1962, 14384), (2088, 13516), (2232, 12644), (2616, 10788), (2697, 10464), (2784, 10137), (2976, 9483), (3161, 8928), (3379, 8352), (3488, 8091), (3596, 7848), (3924, 7192), (4176, 6758), (4464, 6322), (5232, 5394)]