1645781988

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{1931669}}^1$

素因数の和:1931747

約数の個数: 24

約数和(自身を含む): 3894246720

約数和(自身を除く): 2248464732

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 1931669, 3863338, 5795007, 7726676, 11590014, 23180028, 137148499, 274296998, 411445497, 548593996, 822890994, 1645781988]

約数ペア:

[(1, 1645781988), (2, 822890994), (3, 548593996), (4, 411445497), (6, 274296998), (12, 137148499), (71, 23180028), (142, 11590014), (213, 7726676), (284, 5795007), (426, 3863338), (852, 1931669)]