380188081

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{219889}}^1$

素因数の和:219928

約数の個数: 16

約数和(自身を含む): 492553600

約数和(自身を除く): 112365519

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 219889, 1539223, 2858557, 4177891, 20009899, 29245237, 54312583, 380188081]

約数ペア:

[(1, 380188081), (7, 54312583), (13, 29245237), (19, 20009899), (91, 4177891), (133, 2858557), (247, 1539223), (1729, 219889)]