206647294

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{398933}}^1$

素因数の和:398979

約数の個数: 16

約数和(自身を含む): 363827808

約数和(自身を除く): 157180514

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 398933, 797866, 2792531, 5585062, 14760521, 29521042, 103323647, 206647294]

約数ペア:

[(1, 206647294), (2, 103323647), (7, 29521042), (14, 14760521), (37, 5585062), (74, 2792531), (259, 797866), (518, 398933)]