17972465

素因数分解:

$5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{673}}^1$

素因数の和:801

約数の個数: 24

約数和(自身を含む): 25355880

約数和(自身を除く): 7383415

約数列:

[1, 5, 7, 35, 49, 109, 245, 545, 673, 763, 3365, 3815, 4711, 5341, 23555, 26705, 32977, 73357, 164885, 366785, 513499, 2567495, 3594493, 17972465]

約数ペア:

[(1, 17972465), (5, 3594493), (7, 2567495), (35, 513499), (49, 366785), (109, 164885), (245, 73357), (545, 32977), (673, 26705), (763, 23555), (3365, 5341), (3815, 4711)]