16986128

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{317}}^1$

素因数の和:539

約数の個数: 40

約数和(自身を含む): 35133912

約数和(自身を除く): 18147784

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 197, 272, 317, 394, 634, 788, 1268, 1576, 2536, 3152, 3349, 5072, 5389, 6698, 10778, 13396, 21556, 26792, 43112, 53584, 62449, 86224, 124898, 249796, 499592, 999184, 1061633, 2123266, 4246532, 8493064, 16986128]

約数ペア:

[(1, 16986128), (2, 8493064), (4, 4246532), (8, 2123266), (16, 1061633), (17, 999184), (34, 499592), (68, 249796), (136, 124898), (197, 86224), (272, 62449), (317, 53584), (394, 43112), (634, 26792), (788, 21556), (1268, 13396), (1576, 10778), (2536, 6698), (3152, 5389), (3349, 5072)]