20151572315

素因数分解:

$5^1\times 7^1\times {\mathrm{4481}}^1\times {\mathrm{128489}}^1$

素因数の和:132982

約数の個数: 16

約数和(自身を含む): 27642824640

約数和(自身を除く): 7491252325

約数列:

[1, 5, 7, 35, 4481, 22405, 31367, 128489, 156835, 642445, 899423, 4497115, 575759209, 2878796045, 4030314463, 20151572315]

約数ペア:

[(1, 20151572315), (5, 4030314463), (7, 2878796045), (35, 575759209), (4481, 4497115), (22405, 899423), (31367, 642445), (128489, 156835)]