212458049495

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{2239}}^1\times {\mathrm{998839}}^1$

素因数の和:1001102

約数の個数: 16

約数和(自身を含む): 268488192000

約数和(自身を除く): 56030142505

約数列:

[1, 5, 19, 95, 2239, 11195, 42541, 212705, 998839, 4994195, 18977941, 94889705, 2236400521, 11182002605, 42491609899, 212458049495]

約数ペア:

[(1, 212458049495), (5, 42491609899), (19, 11182002605), (95, 2236400521), (2239, 94889705), (11195, 18977941), (42541, 4994195), (212705, 998839)]