820548

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{991}}^1$

素因数の和:1024

約数の個数: 36

約数和(自身を含む): 2166528

約数和(自身を除く): 1345980

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 991, 1982, 2973, 3964, 5946, 8919, 11892, 17838, 22793, 35676, 45586, 68379, 91172, 136758, 205137, 273516, 410274, 820548]

約数ペア:

[(1, 820548), (2, 410274), (3, 273516), (4, 205137), (6, 136758), (9, 91172), (12, 68379), (18, 45586), (23, 35676), (36, 22793), (46, 17838), (69, 11892), (92, 8919), (138, 5946), (207, 3964), (276, 2973), (414, 1982), (828, 991)]