215935895

素因数分解:

$5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 312998400

約数和(自身を除く): 97062505

約数列:

[1, 5, 7, 35, 43, 49, 103, 199, 215, 245, 301, 515, 721, 995, 1393, 1505, 2107, 3605, 4429, 5047, 6965, 8557, 9751, 10535, 20497, 22145, 25235, 31003, 42785, 48755, 59899, 102485, 143479, 155015, 217021, 299495, 419293, 717395, 881371, 1004353, 1085105, 2096465, 4406855, 5021765, 6169597, 30847985, 43187179, 215935895]

約数ペア:

[(1, 215935895), (5, 43187179), (7, 30847985), (35, 6169597), (43, 5021765), (49, 4406855), (103, 2096465), (199, 1085105), (215, 1004353), (245, 881371), (301, 717395), (515, 419293), (721, 299495), (995, 217021), (1393, 155015), (1505, 143479), (2107, 102485), (3605, 59899), (4429, 48755), (5047, 42785), (6965, 31003), (8557, 25235), (9751, 22145), (10535, 20497)]