201728656

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{1283}}^1$

素因数の和:1639

約数の個数: 40

約数和(自身を含む): 405045504

約数和(自身を除く): 203316848

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 317, 496, 634, 1268, 1283, 2536, 2566, 5072, 5132, 9827, 10264, 19654, 20528, 39308, 39773, 78616, 79546, 157232, 159092, 318184, 406711, 636368, 813422, 1626844, 3253688, 6507376, 12608041, 25216082, 50432164, 100864328, 201728656]

約数ペア:

[(1, 201728656), (2, 100864328), (4, 50432164), (8, 25216082), (16, 12608041), (31, 6507376), (62, 3253688), (124, 1626844), (248, 813422), (317, 636368), (496, 406711), (634, 318184), (1268, 159092), (1283, 157232), (2536, 79546), (2566, 78616), (5072, 39773), (5132, 39308), (9827, 20528), (10264, 19654)]