128965744

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{317}}^1\times {\mathrm{541}}^1$

素因数の和:913

約数の個数: 40

約数和(自身を含む): 256465728

約数和(自身を除く): 127499984

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 317, 376, 541, 634, 752, 1082, 1268, 2164, 2536, 4328, 5072, 8656, 14899, 25427, 29798, 50854, 59596, 101708, 119192, 171497, 203416, 238384, 342994, 406832, 685988, 1371976, 2743952, 8060359, 16120718, 32241436, 64482872, 128965744]

約数ペア:

[(1, 128965744), (2, 64482872), (4, 32241436), (8, 16120718), (16, 8060359), (47, 2743952), (94, 1371976), (188, 685988), (317, 406832), (376, 342994), (541, 238384), (634, 203416), (752, 171497), (1082, 119192), (1268, 101708), (2164, 59596), (2536, 50854), (4328, 29798), (5072, 25427), (8656, 14899)]