12861656

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{5563}}^1$

素因数の和:5603

約数の個数: 24

約数和(自身を含む): 25622220

約数和(自身を除く): 12760564

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 1156, 2312, 5563, 11126, 22252, 44504, 94571, 189142, 378284, 756568, 1607707, 3215414, 6430828, 12861656]

約数ペア:

[(1, 12861656), (2, 6430828), (4, 3215414), (8, 1607707), (17, 756568), (34, 378284), (68, 189142), (136, 94571), (289, 44504), (578, 22252), (1156, 11126), (2312, 5563)]