388179908

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{487}}^1\times {\mathrm{2239}}^1$

素因数の和:2819

約数の個数: 24

約数和(自身を含む): 688665600

約数和(自身を除く): 300485692

約数列:

[1, 2, 4, 89, 178, 356, 487, 974, 1948, 2239, 4478, 8956, 43343, 86686, 173372, 199271, 398542, 797084, 1090393, 2180786, 4361572, 97044977, 194089954, 388179908]

約数ペア:

[(1, 388179908), (2, 194089954), (4, 97044977), (89, 4361572), (178, 2180786), (356, 1090393), (487, 797084), (974, 398542), (1948, 199271), (2239, 173372), (4478, 86686), (8956, 43343)]