2905981.00000000

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{601}}^1$

素因数の和:742

約数の個数: 16

約数和(自身を含む): 16027648

約数和(自身を除く): 2594697

約数列:

[1, 7, 31, 103, 217, 601, 721, 3193, 4207, 18631, 22351, 61903, 130417, 433321, 1918993, 13432951]

約数ペア:

[(1, 13432951), (7, 1918993), (31, 433321), (103, 130417), (217, 61903), (601, 22351), (721, 18631), (3193, 4207)]