81864552

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1429}}^1$

素因数の和:1487

約数の個数: 128

約数和(自身を含む): 263577600

約数和(自身を除く): 181713048

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 31, 33, 42, 44, 56, 62, 66, 77, 84, 88, 93, 124, 132, 154, 168, 186, 217, 231, 248, 264, 308, 341, 372, 434, 462, 616, 651, 682, 744, 868, 924, 1023, 1302, 1364, 1429, 1736, 1848, 2046, 2387, 2604, 2728, 2858, 4092, 4287, 4774, 5208, 5716, 7161, 8184, 8574, 9548, 10003, 11432, 14322, 15719, 17148, 19096, 20006, 28644, 30009, 31438, 34296, 40012, 44299, 47157, 57288, 60018, 62876, 80024, 88598, 94314, 110033, 120036, 125752, 132897, 177196, 188628, 220066, 240072, 265794, 310093, 330099, 354392, 377256, 440132, 487289, 531588, 620186, 660198, 880264, 930279, 974578, 1063176, 1240372, 1320396, 1461867, 1860558, 1949156, 2480744, 2640792, 2923734, 3411023, 3721116, 3898312, 5847468, 6822046, 7442232, 10233069, 11694936, 13644092, 20466138, 27288184, 40932276, 81864552]

約数ペア:

[(1, 81864552), (2, 40932276), (3, 27288184), (4, 20466138), (6, 13644092), (7, 11694936), (8, 10233069), (11, 7442232), (12, 6822046), (14, 5847468), (21, 3898312), (22, 3721116), (24, 3411023), (28, 2923734), (31, 2640792), (33, 2480744), (42, 1949156), (44, 1860558), (56, 1461867), (62, 1320396), (66, 1240372), (77, 1063176), (84, 974578), (88, 930279), (93, 880264), (124, 660198), (132, 620186), (154, 531588), (168, 487289), (186, 440132), (217, 377256), (231, 354392), (248, 330099), (264, 310093), (308, 265794), (341, 240072), (372, 220066), (434, 188628), (462, 177196), (616, 132897), (651, 125752), (682, 120036), (744, 110033), (868, 94314), (924, 88598), (1023, 80024), (1302, 62876), (1364, 60018), (1429, 57288), (1736, 47157), (1848, 44299), (2046, 40012), (2387, 34296), (2604, 31438), (2728, 30009), (2858, 28644), (4092, 20006), (4287, 19096), (4774, 17148), (5208, 15719), (5716, 14322), (7161, 11432), (8184, 10003), (8574, 9548)]