1388044

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{557}}^1$

素因数の和:657

約数の個数: 24

約数和(自身を含む): 2812320

約数和(自身を除く): 1424276

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 557, 623, 1114, 1246, 2228, 2492, 3899, 7798, 15596, 49573, 99146, 198292, 347011, 694022, 1388044]

約数ペア:

[(1, 1388044), (2, 694022), (4, 347011), (7, 198292), (14, 99146), (28, 49573), (89, 15596), (178, 7798), (356, 3899), (557, 2492), (623, 2228), (1114, 1246)]