491472695

素因数分解:

$5^1\times 7^4\times {\mathrm{40939}}^1$

素因数の和:40972

約数の個数: 20

約数和(自身を含む): 688037640

約数和(自身を除く): 196564945

約数列:

[1, 5, 7, 35, 49, 245, 343, 1715, 2401, 12005, 40939, 204695, 286573, 1432865, 2006011, 10030055, 14042077, 70210385, 98294539, 491472695]

約数ペア:

[(1, 491472695), (5, 98294539), (7, 70210385), (35, 14042077), (49, 10030055), (245, 2006011), (343, 1432865), (1715, 286573), (2401, 204695), (12005, 40939)]