28287972

素因数分解:

$2^2\times 3^2\times {\mathrm{785777}}^1$

素因数の和:785787

約数の個数: 18

約数和(自身を含む): 71505798

約数和(自身を除く): 43217826

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 785777, 1571554, 2357331, 3143108, 4714662, 7071993, 9429324, 14143986, 28287972]

約数ペア:

[(1, 28287972), (2, 14143986), (3, 9429324), (4, 7071993), (6, 4714662), (9, 3143108), (12, 2357331), (18, 1571554), (36, 785777)]