272501905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{431}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 360557568

約数和(自身を除く): 88055663

約数列:

[1, 5, 13, 65, 71, 137, 355, 431, 685, 923, 1781, 2155, 4615, 5603, 8905, 9727, 28015, 30601, 48635, 59047, 126451, 153005, 295235, 397813, 632255, 767611, 1989065, 3838055, 4192337, 20961685, 54500381, 272501905]

約数ペア:

[(1, 272501905), (5, 54500381), (13, 20961685), (65, 4192337), (71, 3838055), (137, 1989065), (355, 767611), (431, 632255), (685, 397813), (923, 295235), (1781, 153005), (2155, 126451), (4615, 59047), (5603, 48635), (8905, 30601), (9727, 28015)]