15661289728

素因数分解:

$2^8\times 7^1\times {\mathrm{733}}^1\times {\mathrm{11923}}^1$

素因数の和:12679

約数の個数: 72

約数和(自身を含む): 35779059008

約数和(自身を除く): 20117769280

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 733, 896, 1466, 1792, 2932, 5131, 5864, 10262, 11728, 11923, 20524, 23456, 23846, 41048, 46912, 47692, 82096, 83461, 93824, 95384, 164192, 166922, 187648, 190768, 328384, 333844, 381536, 656768, 667688, 763072, 1313536, 1335376, 1526144, 2670752, 3052288, 5341504, 8739559, 10683008, 17479118, 21366016, 34958236, 61176913, 69916472, 122353826, 139832944, 244707652, 279665888, 489415304, 559331776, 978830608, 1118663552, 1957661216, 2237327104, 3915322432, 7830644864, 15661289728]

約数ペア:

[(1, 15661289728), (2, 7830644864), (4, 3915322432), (7, 2237327104), (8, 1957661216), (14, 1118663552), (16, 978830608), (28, 559331776), (32, 489415304), (56, 279665888), (64, 244707652), (112, 139832944), (128, 122353826), (224, 69916472), (256, 61176913), (448, 34958236), (733, 21366016), (896, 17479118), (1466, 10683008), (1792, 8739559), (2932, 5341504), (5131, 3052288), (5864, 2670752), (10262, 1526144), (11728, 1335376), (11923, 1313536), (20524, 763072), (23456, 667688), (23846, 656768), (41048, 381536), (46912, 333844), (47692, 328384), (82096, 190768), (83461, 187648), (93824, 166922), (95384, 164192)]