247292285

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{337}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 321965280

約数和(自身を除く): 74672995

約数列:

[1, 5, 17, 85, 89, 97, 337, 445, 485, 1513, 1649, 1685, 5729, 7565, 8245, 8633, 28645, 29993, 32689, 43165, 146761, 149965, 163445, 509881, 555713, 733805, 2549405, 2778565, 2909321, 14546605, 49458457, 247292285]

約数ペア:

[(1, 247292285), (5, 49458457), (17, 14546605), (85, 2909321), (89, 2778565), (97, 2549405), (337, 733805), (445, 555713), (485, 509881), (1513, 163445), (1649, 149965), (1685, 146761), (5729, 43165), (7565, 32689), (8245, 29993), (8633, 28645)]