28452990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{2389}}^1$

素因数の和:2796

約数の個数: 32

約数和(自身を含む): 68487840

約数和(自身を除く): 40034850

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 397, 794, 1191, 1985, 2382, 2389, 3970, 4778, 5955, 7167, 11910, 11945, 14334, 23890, 35835, 71670, 948433, 1896866, 2845299, 4742165, 5690598, 9484330, 14226495, 28452990]

約数ペア:

[(1, 28452990), (2, 14226495), (3, 9484330), (5, 5690598), (6, 4742165), (10, 2845299), (15, 1896866), (30, 948433), (397, 71670), (794, 35835), (1191, 23890), (1985, 14334), (2382, 11945), (2389, 11910), (3970, 7167), (4778, 5955)]