289061936

素因数分解:

$2^4\times {\mathrm{643}}^1\times {\mathrm{28097}}^1$

素因数の和:28748

約数の個数: 20

約数和(自身を含む): 560948472

約数和(自身を除く): 271886536

約数列:

[1, 2, 4, 8, 16, 643, 1286, 2572, 5144, 10288, 28097, 56194, 112388, 224776, 449552, 18066371, 36132742, 72265484, 144530968, 289061936]

約数ペア:

[(1, 289061936), (2, 144530968), (4, 72265484), (8, 36132742), (16, 18066371), (643, 449552), (1286, 224776), (2572, 112388), (5144, 56194), (10288, 28097)]