1291932719

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{541237}}^1$

素因数の和:541286

約数の個数: 16

約数和(自身を含む): 1662683136

約数和(自身を除く): 370750417

約数列:

[1, 7, 11, 31, 77, 217, 341, 2387, 541237, 3788659, 5953607, 16778347, 41675249, 117448429, 184561817, 1291932719]

約数ペア:

[(1, 1291932719), (7, 184561817), (11, 117448429), (31, 41675249), (77, 16778347), (217, 5953607), (341, 3788659), (2387, 541237)]