207821105

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{461}}^1\times {\mathrm{3109}}^1$

素因数の和:3604

約数の個数: 16

約数和(自身を含む): 258627600

約数和(自身を除く): 50806495

約数列:

[1, 5, 29, 145, 461, 2305, 3109, 13369, 15545, 66845, 90161, 450805, 1433249, 7166245, 41564221, 207821105]

約数ペア:

[(1, 207821105), (5, 41564221), (29, 7166245), (145, 1433249), (461, 450805), (2305, 90161), (3109, 66845), (13369, 15545)]