28661136

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{433}}^1$

素因数の和:648

約数の個数: 80

約数和(自身を含む): 85244544

約数和(自身を除く): 56583408

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 197, 336, 394, 433, 591, 788, 866, 1182, 1299, 1379, 1576, 1732, 2364, 2598, 2758, 3031, 3152, 3464, 4137, 4728, 5196, 5516, 6062, 6928, 8274, 9093, 9456, 10392, 11032, 12124, 16548, 18186, 20784, 22064, 24248, 33096, 36372, 48496, 66192, 72744, 85301, 145488, 170602, 255903, 341204, 511806, 597107, 682408, 1023612, 1194214, 1364816, 1791321, 2047224, 2388428, 3582642, 4094448, 4776856, 7165284, 9553712, 14330568, 28661136]

約数ペア:

[(1, 28661136), (2, 14330568), (3, 9553712), (4, 7165284), (6, 4776856), (7, 4094448), (8, 3582642), (12, 2388428), (14, 2047224), (16, 1791321), (21, 1364816), (24, 1194214), (28, 1023612), (42, 682408), (48, 597107), (56, 511806), (84, 341204), (112, 255903), (168, 170602), (197, 145488), (336, 85301), (394, 72744), (433, 66192), (591, 48496), (788, 36372), (866, 33096), (1182, 24248), (1299, 22064), (1379, 20784), (1576, 18186), (1732, 16548), (2364, 12124), (2598, 11032), (2758, 10392), (3031, 9456), (3152, 9093), (3464, 8274), (4137, 6928), (4728, 6062), (5196, 5516)]