138855856

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{38917}}^1$

素因数の和:39148

約数の個数: 20

約数和(自身を含む): 270246592

約数和(自身を除く): 131390736

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 38917, 77834, 155668, 311336, 622672, 8678491, 17356982, 34713964, 69427928, 138855856]

約数ペア:

[(1, 138855856), (2, 69427928), (4, 34713964), (8, 17356982), (16, 8678491), (223, 622672), (446, 311336), (892, 155668), (1784, 77834), (3568, 38917)]