278080385

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{14827}}^1$

素因数の和:14885

約数の個数: 24

約数和(自身を含む): 378647808

約数和(自身を除く): 100567423

約数列:

[1, 5, 11, 31, 55, 121, 155, 341, 605, 1705, 3751, 14827, 18755, 74135, 163097, 459637, 815485, 1794067, 2298185, 5056007, 8970335, 25280035, 55616077, 278080385]

約数ペア:

[(1, 278080385), (5, 55616077), (11, 25280035), (31, 8970335), (55, 5056007), (121, 2298185), (155, 1794067), (341, 815485), (605, 459637), (1705, 163097), (3751, 74135), (14827, 18755)]