2809778881

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{85531}}^1$

素因数の和:85589

約数の個数: 24

約数和(自身を含む): 3649821504

約数和(自身を除く): 840042623

約数列:

[1, 7, 13, 19, 91, 133, 247, 361, 1729, 2527, 4693, 32851, 85531, 598717, 1111903, 1625089, 7783321, 11375623, 21126157, 30876691, 147883099, 216136837, 401396983, 2809778881]

約数ペア:

[(1, 2809778881), (7, 401396983), (13, 216136837), (19, 147883099), (91, 30876691), (133, 21126157), (247, 11375623), (361, 7783321), (1729, 1625089), (2527, 1111903), (4693, 598717), (32851, 85531)]