2797223

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:686

約数の個数: 16

約数和(自身を含む): 3397632

約数和(自身を除く): 600409

約数列:

[1, 11, 13, 31, 143, 341, 403, 631, 4433, 6941, 8203, 19561, 90233, 215171, 254293, 2797223]

約数ペア:

[(1, 2797223), (11, 254293), (13, 215171), (31, 90233), (143, 19561), (341, 8203), (403, 6941), (631, 4433)]