217303974

素因数分解:

$2^1\times 3^2\times {\mathrm{971}}^1\times {\mathrm{12433}}^1$

素因数の和:13412

約数の個数: 24

約数和(自身を含む): 471348072

約数和(自身を除く): 254044098

約数列:

[1, 2, 3, 6, 9, 18, 971, 1942, 2913, 5826, 8739, 12433, 17478, 24866, 37299, 74598, 111897, 223794, 12072443, 24144886, 36217329, 72434658, 108651987, 217303974]

約数ペア:

[(1, 217303974), (2, 108651987), (3, 72434658), (6, 36217329), (9, 24144886), (18, 12072443), (971, 223794), (1942, 111897), (2913, 74598), (5826, 37299), (8739, 24866), (12433, 17478)]