22180991

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{1249}}^1$

素因数の和:1358

約数の個数: 16

約数和(自身を含む): 26400000

約数和(自身を除く): 4219009

約数列:

[1, 7, 43, 59, 301, 413, 1249, 2537, 8743, 17759, 53707, 73691, 375949, 515837, 3168713, 22180991]

約数ペア:

[(1, 22180991), (7, 3168713), (43, 515837), (59, 375949), (301, 73691), (413, 53707), (1249, 17759), (2537, 8743)]