247002128

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{2411}}^1$

素因数の和:2775

約数の個数: 40

約数和(自身を含む): 505458720

約数和(自身を除く): 258456592

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 337, 674, 1348, 2411, 2696, 4822, 5392, 6403, 9644, 12806, 19288, 25612, 38576, 45809, 51224, 91618, 102448, 183236, 366472, 732944, 812507, 1625014, 3250028, 6500056, 13000112, 15437633, 30875266, 61750532, 123501064, 247002128]

約数ペア:

[(1, 247002128), (2, 123501064), (4, 61750532), (8, 30875266), (16, 15437633), (19, 13000112), (38, 6500056), (76, 3250028), (152, 1625014), (304, 812507), (337, 732944), (674, 366472), (1348, 183236), (2411, 102448), (2696, 91618), (4822, 51224), (5392, 45809), (6403, 38576), (9644, 25612), (12806, 19288)]