278008085

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{16339}}^1$

素因数の和:16468

約数の個数: 16

約数和(自身を含む): 345885120

約数和(自身を除く): 67877035

約数列:

[1, 5, 41, 83, 205, 415, 3403, 16339, 17015, 81695, 669899, 1356137, 3349495, 6780685, 55601617, 278008085]

約数ペア:

[(1, 278008085), (5, 55601617), (41, 6780685), (83, 3349495), (205, 1356137), (415, 669899), (3403, 81695), (16339, 17015)]