1999270848

素因数分解:

$2^6\times 3^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{1307}}^1$

素因数の和:1610

約数の個数: 112

約数和(自身を含む): 5485814784

約数和(自身を除く): 3486543936

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 186, 192, 248, 257, 372, 496, 514, 744, 771, 992, 1028, 1307, 1488, 1542, 1984, 2056, 2614, 2976, 3084, 3921, 4112, 5228, 5952, 6168, 7842, 7967, 8224, 10456, 12336, 15684, 15934, 16448, 20912, 23901, 24672, 31368, 31868, 40517, 41824, 47802, 49344, 62736, 63736, 81034, 83648, 95604, 121551, 125472, 127472, 162068, 191208, 243102, 250944, 254944, 324136, 335899, 382416, 486204, 509888, 648272, 671798, 764832, 972408, 1007697, 1296544, 1343596, 1529664, 1944816, 2015394, 2593088, 2687192, 3889632, 4030788, 5374384, 7779264, 8061576, 10412869, 10748768, 16123152, 20825738, 21497536, 31238607, 32246304, 41651476, 62477214, 64492608, 83302952, 124954428, 166605904, 249908856, 333211808, 499817712, 666423616, 999635424, 1999270848]

約数ペア:

[(1, 1999270848), (2, 999635424), (3, 666423616), (4, 499817712), (6, 333211808), (8, 249908856), (12, 166605904), (16, 124954428), (24, 83302952), (31, 64492608), (32, 62477214), (48, 41651476), (62, 32246304), (64, 31238607), (93, 21497536), (96, 20825738), (124, 16123152), (186, 10748768), (192, 10412869), (248, 8061576), (257, 7779264), (372, 5374384), (496, 4030788), (514, 3889632), (744, 2687192), (771, 2593088), (992, 2015394), (1028, 1944816), (1307, 1529664), (1488, 1343596), (1542, 1296544), (1984, 1007697), (2056, 972408), (2614, 764832), (2976, 671798), (3084, 648272), (3921, 509888), (4112, 486204), (5228, 382416), (5952, 335899), (6168, 324136), (7842, 254944), (7967, 250944), (8224, 243102), (10456, 191208), (12336, 162068), (15684, 127472), (15934, 125472), (16448, 121551), (20912, 95604), (23901, 83648), (24672, 81034), (31368, 63736), (31868, 62736), (40517, 49344), (41824, 47802)]