28366128

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{263}}^1$

素因数の和:391

約数の個数: 120

約数和(自身を含む): 91922688

約数和(自身を除く): 63556560

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 107, 112, 126, 144, 168, 214, 252, 263, 321, 336, 428, 504, 526, 642, 749, 789, 856, 963, 1008, 1052, 1284, 1498, 1578, 1712, 1841, 1926, 2104, 2247, 2367, 2568, 2996, 3156, 3682, 3852, 4208, 4494, 4734, 5136, 5523, 5992, 6312, 6741, 7364, 7704, 8988, 9468, 11046, 11984, 12624, 13482, 14728, 15408, 16569, 17976, 18936, 22092, 26964, 28141, 29456, 33138, 35952, 37872, 44184, 53928, 56282, 66276, 84423, 88368, 107856, 112564, 132552, 168846, 196987, 225128, 253269, 265104, 337692, 393974, 450256, 506538, 590961, 675384, 787948, 1013076, 1181922, 1350768, 1575896, 1772883, 2026152, 2363844, 3151792, 3545766, 4052304, 4727688, 7091532, 9455376, 14183064, 28366128]

約数ペア:

[(1, 28366128), (2, 14183064), (3, 9455376), (4, 7091532), (6, 4727688), (7, 4052304), (8, 3545766), (9, 3151792), (12, 2363844), (14, 2026152), (16, 1772883), (18, 1575896), (21, 1350768), (24, 1181922), (28, 1013076), (36, 787948), (42, 675384), (48, 590961), (56, 506538), (63, 450256), (72, 393974), (84, 337692), (107, 265104), (112, 253269), (126, 225128), (144, 196987), (168, 168846), (214, 132552), (252, 112564), (263, 107856), (321, 88368), (336, 84423), (428, 66276), (504, 56282), (526, 53928), (642, 44184), (749, 37872), (789, 35952), (856, 33138), (963, 29456), (1008, 28141), (1052, 26964), (1284, 22092), (1498, 18936), (1578, 17976), (1712, 16569), (1841, 15408), (1926, 14728), (2104, 13482), (2247, 12624), (2367, 11984), (2568, 11046), (2996, 9468), (3156, 8988), (3682, 7704), (3852, 7364), (4208, 6741), (4494, 6312), (4734, 5992), (5136, 5523)]