66890236

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{33647}}^1$

素因数の和:33729

約数の個数: 24

約数和(自身を含む): 135668736

約数和(自身を除く): 68778500

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 33647, 67294, 134588, 235529, 471058, 942116, 2388937, 4777874, 9555748, 16722559, 33445118, 66890236]

約数ペア:

[(1, 66890236), (2, 33445118), (4, 16722559), (7, 9555748), (14, 4777874), (28, 2388937), (71, 942116), (142, 471058), (284, 235529), (497, 134588), (994, 67294), (1988, 33647)]