12691252

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2887}}^1$

素因数の和:3055

約数の個数: 24

約数和(自身を含む): 25553024

約数和(自身を除く): 12861772

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 628, 1099, 2198, 2887, 4396, 5774, 11548, 20209, 40418, 80836, 453259, 906518, 1813036, 3172813, 6345626, 12691252]

約数ペア:

[(1, 12691252), (2, 6345626), (4, 3172813), (7, 1813036), (14, 906518), (28, 453259), (157, 80836), (314, 40418), (628, 20209), (1099, 11548), (2198, 5774), (2887, 4396)]