8780365

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{631}}^1$

素因数の和:681

約数の個数: 24

約数和(自身を含む): 12104064

約数和(自身を除く): 3323699

約数列:

[1, 5, 11, 23, 55, 115, 121, 253, 605, 631, 1265, 2783, 3155, 6941, 13915, 14513, 34705, 72565, 76351, 159643, 381755, 798215, 1756073, 8780365]

約数ペア:

[(1, 8780365), (5, 1756073), (11, 798215), (23, 381755), (55, 159643), (115, 76351), (121, 72565), (253, 34705), (605, 14513), (631, 13915), (1265, 6941), (2783, 3155)]