1247806945

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{839}}^1\times {\mathrm{3863}}^1$

素因数の和:4725

約数の個数: 32

約数和(自身を含む): 1869557760

約数和(自身を除く): 621750815

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 839, 3863, 4195, 5873, 9229, 19315, 27041, 29365, 42493, 46145, 64603, 135205, 212465, 297451, 323015, 1487255, 3241057, 16205285, 22687399, 35651627, 113436995, 178258135, 249561389, 1247806945]

約数ペア:

[(1, 1247806945), (5, 249561389), (7, 178258135), (11, 113436995), (35, 35651627), (55, 22687399), (77, 16205285), (385, 3241057), (839, 1487255), (3863, 323015), (4195, 297451), (5873, 212465), (9229, 135205), (19315, 64603), (27041, 46145), (29365, 42493)]