221410028

素因数分解:

$2^2\times 7^2\times {\mathrm{1129643}}^1$

素因数の和:1129661

約数の個数: 18

約数和(自身を含む): 450727956

約数和(自身を除く): 229317928

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 1129643, 2259286, 4518572, 7907501, 15815002, 31630004, 55352507, 110705014, 221410028]

約数ペア:

[(1, 221410028), (2, 110705014), (4, 55352507), (7, 31630004), (14, 15815002), (28, 7907501), (49, 4518572), (98, 2259286), (196, 1129643)]