28182875

素因数分解:

$5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1039}}^1$

素因数の和:1092

約数の個数: 32

約数和(自身を含む): 41533440

約数和(自身を除く): 13350565

約数列:

[1, 5, 7, 25, 31, 35, 125, 155, 175, 217, 775, 875, 1039, 1085, 3875, 5195, 5425, 7273, 25975, 27125, 32209, 36365, 129875, 161045, 181825, 225463, 805225, 909125, 1127315, 4026125, 5636575, 28182875]

約数ペア:

[(1, 28182875), (5, 5636575), (7, 4026125), (25, 1127315), (31, 909125), (35, 805225), (125, 225463), (155, 181825), (175, 161045), (217, 129875), (775, 36365), (875, 32209), (1039, 27125), (1085, 25975), (3875, 7273), (5195, 5425)]