15971728

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{317}}^1$

素因数の和:439

約数の個数: 40

約数和(自身を含む): 32176512

約数和(自身を除く): 16204784

約数列:

[1, 2, 4, 8, 16, 47, 67, 94, 134, 188, 268, 317, 376, 536, 634, 752, 1072, 1268, 2536, 3149, 5072, 6298, 12596, 14899, 21239, 25192, 29798, 42478, 50384, 59596, 84956, 119192, 169912, 238384, 339824, 998233, 1996466, 3992932, 7985864, 15971728]

約数ペア:

[(1, 15971728), (2, 7985864), (4, 3992932), (8, 1996466), (16, 998233), (47, 339824), (67, 238384), (94, 169912), (134, 119192), (188, 84956), (268, 59596), (317, 50384), (376, 42478), (536, 29798), (634, 25192), (752, 21239), (1072, 14899), (1268, 12596), (2536, 6298), (3149, 5072)]