25761988

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{21397}}^1$

素因数の和:21451

約数の個数: 24

約数和(自身を含む): 52724672

約数和(自身を除く): 26962684

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 21397, 42794, 85588, 149779, 299558, 599116, 920071, 1840142, 3680284, 6440497, 12880994, 25761988]

約数ペア:

[(1, 25761988), (2, 12880994), (4, 6440497), (7, 3680284), (14, 1840142), (28, 920071), (43, 599116), (86, 299558), (172, 149779), (301, 85588), (602, 42794), (1204, 21397)]