13212605

素因数分解:

$5^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{271}}^1$

素因数の和:489

約数の個数: 24

約数和(自身を含む): 18604800

約数和(自身を除く): 5392195

約数列:

[1, 5, 7, 35, 49, 199, 245, 271, 995, 1355, 1393, 1897, 6965, 9485, 9751, 13279, 48755, 53929, 66395, 269645, 377503, 1887515, 2642521, 13212605]

約数ペア:

[(1, 13212605), (5, 2642521), (7, 1887515), (35, 377503), (49, 269645), (199, 66395), (245, 53929), (271, 48755), (995, 13279), (1355, 9751), (1393, 9485), (1897, 6965)]