28791054

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{21911}}^1$

素因数の和:21992

約数の個数: 24

約数和(自身を含む): 63238032

約数和(自身を除く): 34446978

約数列:

[1, 2, 3, 6, 9, 18, 73, 146, 219, 438, 657, 1314, 21911, 43822, 65733, 131466, 197199, 394398, 1599503, 3199006, 4798509, 9597018, 14395527, 28791054]

約数ペア:

[(1, 28791054), (2, 14395527), (3, 9597018), (6, 4798509), (9, 3199006), (18, 1599503), (73, 394398), (146, 197199), (219, 131466), (438, 65733), (657, 43822), (1314, 21911)]