81671856

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7841}}^1$

素因数の和:7890

約数の個数: 80

約数和(自身を含む): 248936448

約数和(自身を除く): 167264592

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 42, 48, 56, 62, 84, 93, 112, 124, 168, 186, 217, 248, 336, 372, 434, 496, 651, 744, 868, 1302, 1488, 1736, 2604, 3472, 5208, 7841, 10416, 15682, 23523, 31364, 47046, 54887, 62728, 94092, 109774, 125456, 164661, 188184, 219548, 243071, 329322, 376368, 439096, 486142, 658644, 729213, 878192, 972284, 1317288, 1458426, 1701497, 1944568, 2634576, 2916852, 3402994, 3889136, 5104491, 5833704, 6805988, 10208982, 11667408, 13611976, 20417964, 27223952, 40835928, 81671856]

約数ペア:

[(1, 81671856), (2, 40835928), (3, 27223952), (4, 20417964), (6, 13611976), (7, 11667408), (8, 10208982), (12, 6805988), (14, 5833704), (16, 5104491), (21, 3889136), (24, 3402994), (28, 2916852), (31, 2634576), (42, 1944568), (48, 1701497), (56, 1458426), (62, 1317288), (84, 972284), (93, 878192), (112, 729213), (124, 658644), (168, 486142), (186, 439096), (217, 376368), (248, 329322), (336, 243071), (372, 219548), (434, 188184), (496, 164661), (651, 125456), (744, 109774), (868, 94092), (1302, 62728), (1488, 54887), (1736, 47046), (2604, 31364), (3472, 23523), (5208, 15682), (7841, 10416)]