205122022

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{105407}}^1$

素因数の和:105555

約数の個数: 16

約数和(自身を含む): 354170880

約数和(自身を除く): 149048858

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 105407, 210814, 737849, 1475698, 14651573, 29303146, 102561011, 205122022]

約数ペア:

[(1, 205122022), (2, 102561011), (7, 29303146), (14, 14651573), (139, 1475698), (278, 737849), (973, 210814), (1946, 105407)]