17916234721

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{487}}^1\times {\mathrm{20773}}^1$

素因数の和:21301

約数の個数: 32

約数和(自身を含む): 23357288448

約数和(自身を除く): 5441053727

約数列:

[1, 7, 11, 23, 77, 161, 253, 487, 1771, 3409, 5357, 11201, 20773, 37499, 78407, 123211, 145411, 228503, 477779, 862477, 1599521, 3344453, 5255569, 10116451, 36788983, 70815157, 111280961, 232678373, 778966727, 1628748611, 2559462103, 17916234721]

約数ペア:

[(1, 17916234721), (7, 2559462103), (11, 1628748611), (23, 778966727), (77, 232678373), (161, 111280961), (253, 70815157), (487, 36788983), (1771, 10116451), (3409, 5255569), (5357, 3344453), (11201, 1599521), (20773, 862477), (37499, 477779), (78407, 228503), (123211, 145411)]