201628165

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:333

約数の個数: 32

約数和(自身を含む): 254741760

約数和(自身を除く): 53113595

約数列:

[1, 5, 53, 83, 89, 103, 265, 415, 445, 515, 4399, 4717, 5459, 7387, 8549, 9167, 21995, 23585, 27295, 36935, 42745, 45835, 391511, 453097, 485851, 760861, 1957555, 2265485, 2429255, 3804305, 40325633, 201628165]

約数ペア:

[(1, 201628165), (5, 40325633), (53, 3804305), (83, 2429255), (89, 2265485), (103, 1957555), (265, 760861), (415, 485851), (445, 453097), (515, 391511), (4399, 45835), (4717, 42745), (5459, 36935), (7387, 27295), (8549, 23585), (9167, 21995)]