221506544

素因数分解:

$2^4\times 7^1\times {\mathrm{1977737}}^1$

素因数の和:1977752

約数の個数: 20

約数和(自身を含む): 490479024

約数和(自身を除く): 268972480

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1977737, 3955474, 7910948, 13844159, 15821896, 27688318, 31643792, 55376636, 110753272, 221506544]

約数ペア:

[(1, 221506544), (2, 110753272), (4, 55376636), (7, 31643792), (8, 27688318), (14, 15821896), (16, 13844159), (28, 7910948), (56, 3955474), (112, 1977737)]