208406939

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 239500800

約数和(自身を除く): 31093861

約数列:

[1, 13, 43, 59, 71, 89, 559, 767, 923, 1157, 2537, 3053, 3827, 4189, 5251, 6319, 32981, 39689, 49751, 54457, 68263, 82147, 180127, 225793, 271717, 372821, 2341651, 2935309, 3532321, 4846673, 16031303, 208406939]

約数ペア:

[(1, 208406939), (13, 16031303), (43, 4846673), (59, 3532321), (71, 2935309), (89, 2341651), (559, 372821), (767, 271717), (923, 225793), (1157, 180127), (2537, 82147), (3053, 68263), (3827, 54457), (4189, 49751), (5251, 39689), (6319, 32981)]