8381065

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1979}}^1$

素因数の和:2013

約数の個数: 24

約数和(自身を含む): 12640320

約数和(自身を除く): 4259255

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 385, 605, 847, 1979, 4235, 9895, 13853, 21769, 69265, 108845, 152383, 239459, 761915, 1197295, 1676213, 8381065]

約数ペア:

[(1, 8381065), (5, 1676213), (7, 1197295), (11, 761915), (35, 239459), (55, 152383), (77, 108845), (121, 69265), (385, 21769), (605, 13853), (847, 9895), (1979, 4235)]