1388403722

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{9777491}}^1$

素因数の和:9777564

約数の個数: 8

約数和(自身を含む): 2111938272

約数和(自身を除く): 723534550

約数列:

[1, 2, 71, 142, 9777491, 19554982, 694201861, 1388403722]

約数ペア:

[(1, 1388403722), (2, 694201861), (71, 19554982), (142, 9777491)]