8986943

素因数分解:

$7^4\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:244

約数の個数: 20

約数和(自身を含む): 11091960

約数和(自身を除く): 2105017

約数列:

[1, 7, 19, 49, 133, 197, 343, 931, 1379, 2401, 3743, 6517, 9653, 26201, 45619, 67571, 183407, 472997, 1283849, 8986943]

約数ペア:

[(1, 8986943), (7, 1283849), (19, 472997), (49, 183407), (133, 67571), (197, 45619), (343, 26201), (931, 9653), (1379, 6517), (2401, 3743)]