28218904

素因数分解:

$2^3\times 7^2\times {\mathrm{71987}}^1$

素因数の和:72007

約数の個数: 24

約数和(自身を含む): 61549740

約数和(自身を除く): 33330836

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 71987, 143974, 287948, 503909, 575896, 1007818, 2015636, 3527363, 4031272, 7054726, 14109452, 28218904]

約数ペア:

[(1, 28218904), (2, 14109452), (4, 7054726), (7, 4031272), (8, 3527363), (14, 2015636), (28, 1007818), (49, 575896), (56, 503909), (98, 287948), (196, 143974), (392, 71987)]