28239912

素因数分解:

$2^3\times 3^2\times {\mathrm{392221}}^1$

素因数の和:392233

約数の個数: 24

約数和(自身を含む): 76483290

約数和(自身を除く): 48243378

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 392221, 784442, 1176663, 1568884, 2353326, 3137768, 3529989, 4706652, 7059978, 9413304, 14119956, 28239912]

約数ペア:

[(1, 28239912), (2, 14119956), (3, 9413304), (4, 7059978), (6, 4706652), (8, 3529989), (9, 3137768), (12, 2353326), (18, 1568884), (24, 1176663), (36, 784442), (72, 392221)]