2187445

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{461}}^1$

素因数の和:552

約数の個数: 16

約数和(自身を含む): 2871792

約数和(自身を除く): 684347

約数列:

[1, 5, 13, 65, 73, 365, 461, 949, 2305, 4745, 5993, 29965, 33653, 168265, 437489, 2187445]

約数ペア:

[(1, 2187445), (5, 437489), (13, 168265), (65, 33653), (73, 29965), (365, 5993), (461, 4745), (949, 2305)]