28283868

素因数分解:

$2^2\times 3^2\times {\mathrm{397}}^1\times {\mathrm{1979}}^1$

素因数の和:2386

約数の個数: 36

約数和(自身を含む): 71711640

約数和(自身を除く): 43427772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 397, 794, 1191, 1588, 1979, 2382, 3573, 3958, 4764, 5937, 7146, 7916, 11874, 14292, 17811, 23748, 35622, 71244, 785663, 1571326, 2356989, 3142652, 4713978, 7070967, 9427956, 14141934, 28283868]

約数ペア:

[(1, 28283868), (2, 14141934), (3, 9427956), (4, 7070967), (6, 4713978), (9, 3142652), (12, 2356989), (18, 1571326), (36, 785663), (397, 71244), (794, 35622), (1191, 23748), (1588, 17811), (1979, 14292), (2382, 11874), (3573, 7916), (3958, 7146), (4764, 5937)]