11781965

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4421}}^1$

素因数の和:4480

約数の個数: 16

約数和(自身を含む): 15600816

約数和(自身を除く): 3818851

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 4421, 22105, 57473, 181261, 287365, 906305, 2356393, 11781965]

約数ペア:

[(1, 11781965), (5, 2356393), (13, 906305), (41, 287365), (65, 181261), (205, 57473), (533, 22105), (2665, 4421)]