199418821

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{10861}}^1$

素因数の和:10972

約数の個数: 16

約数和(自身を含む): 237052288

約数和(自身を除く): 37633467

約数列:

[1, 7, 43, 61, 301, 427, 2623, 10861, 18361, 76027, 467023, 662521, 3269161, 4637647, 28488403, 199418821]

約数ペア:

[(1, 199418821), (7, 28488403), (43, 4637647), (61, 3269161), (301, 662521), (427, 467023), (2623, 76027), (10861, 18361)]