249851147

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{409}}^1$

素因数の和:580

約数の個数: 32

約数和(自身を含む): 316848000

約数和(自身を除く): 66996853

約数列:

[1, 7, 13, 49, 91, 137, 343, 409, 637, 959, 1781, 2863, 4459, 5317, 6713, 12467, 20041, 37219, 46991, 56033, 87269, 140287, 260533, 392231, 610883, 728429, 1823731, 2745617, 5099003, 19219319, 35693021, 249851147]

約数ペア:

[(1, 249851147), (7, 35693021), (13, 19219319), (49, 5099003), (91, 2745617), (137, 1823731), (343, 728429), (409, 610883), (637, 392231), (959, 260533), (1781, 140287), (2863, 87269), (4459, 56033), (5317, 46991), (6713, 37219), (12467, 20041)]