391391568

素因数分解:

$2^4\times 3^3\times {\mathrm{905999}}^1$

素因数の和:906016

約数の個数: 40

約数和(自身を含む): 1123440000

約数和(自身を除く): 732048432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 905999, 1811998, 2717997, 3623996, 5435994, 7247992, 8153991, 10871988, 14495984, 16307982, 21743976, 24461973, 32615964, 43487952, 48923946, 65231928, 97847892, 130463856, 195695784, 391391568]

約数ペア:

[(1, 391391568), (2, 195695784), (3, 130463856), (4, 97847892), (6, 65231928), (8, 48923946), (9, 43487952), (12, 32615964), (16, 24461973), (18, 21743976), (24, 16307982), (27, 14495984), (36, 10871988), (48, 8153991), (54, 7247992), (72, 5435994), (108, 3623996), (144, 2717997), (216, 1811998), (432, 905999)]