28440648

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:351

約数の個数: 96

約数和(自身を含む): 81502200

約数和(自身を除く): 53061552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 53, 58, 72, 87, 106, 116, 159, 174, 212, 232, 257, 261, 318, 348, 424, 477, 514, 522, 636, 696, 771, 954, 1028, 1044, 1272, 1537, 1542, 1908, 2056, 2088, 2313, 3074, 3084, 3816, 4611, 4626, 6148, 6168, 7453, 9222, 9252, 12296, 13621, 13833, 14906, 18444, 18504, 22359, 27242, 27666, 29812, 36888, 40863, 44718, 54484, 55332, 59624, 67077, 81726, 89436, 108968, 110664, 122589, 134154, 163452, 178872, 245178, 268308, 326904, 395009, 490356, 536616, 790018, 980712, 1185027, 1580036, 2370054, 3160072, 3555081, 4740108, 7110162, 9480216, 14220324, 28440648]

約数ペア:

[(1, 28440648), (2, 14220324), (3, 9480216), (4, 7110162), (6, 4740108), (8, 3555081), (9, 3160072), (12, 2370054), (18, 1580036), (24, 1185027), (29, 980712), (36, 790018), (53, 536616), (58, 490356), (72, 395009), (87, 326904), (106, 268308), (116, 245178), (159, 178872), (174, 163452), (212, 134154), (232, 122589), (257, 110664), (261, 108968), (318, 89436), (348, 81726), (424, 67077), (477, 59624), (514, 55332), (522, 54484), (636, 44718), (696, 40863), (771, 36888), (954, 29812), (1028, 27666), (1044, 27242), (1272, 22359), (1537, 18504), (1542, 18444), (1908, 14906), (2056, 13833), (2088, 13621), (2313, 12296), (3074, 9252), (3084, 9222), (3816, 7453), (4611, 6168), (4626, 6148)]