10257905

素因数分解:

$5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:449

約数の個数: 24

約数和(自身を含む): 14466600

約数和(自身を除く): 4208695

約数列:

[1, 5, 7, 35, 49, 149, 245, 281, 745, 1043, 1405, 1967, 5215, 7301, 9835, 13769, 36505, 41869, 68845, 209345, 293083, 1465415, 2051581, 10257905]

約数ペア:

[(1, 10257905), (5, 2051581), (7, 1465415), (35, 293083), (49, 209345), (149, 68845), (245, 41869), (281, 36505), (745, 13769), (1043, 9835), (1405, 7301), (1967, 5215)]