209959428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{2499517}}^1$

素因数の和:2499531

約数の個数: 24

約数和(自身を含む): 559892032

約数和(自身を除く): 349932604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 2499517, 4999034, 7498551, 9998068, 14997102, 17496619, 29994204, 34993238, 52489857, 69986476, 104979714, 209959428]

約数ペア:

[(1, 209959428), (2, 104979714), (3, 69986476), (4, 52489857), (6, 34993238), (7, 29994204), (12, 17496619), (14, 14997102), (21, 9998068), (28, 7498551), (42, 4999034), (84, 2499517)]