315220556

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{126493}}^1$

素因数の和:126593

約数の個数: 24

約数和(自身を含む): 637529760

約数和(自身を除く): 322309204

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 126493, 252986, 505972, 885451, 1770902, 3541804, 11257877, 22515754, 45031508, 78805139, 157610278, 315220556]

約数ペア:

[(1, 315220556), (2, 157610278), (4, 78805139), (7, 45031508), (14, 22515754), (28, 11257877), (89, 3541804), (178, 1770902), (356, 885451), (623, 505972), (1246, 252986), (2492, 126493)]