8321491199

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{8938229}}^1$

素因数の和:8938262

約数の個数: 12

約数和(自身を含む): 10189582200

約数和(自身を除く): 1868091001

約数列:

[1, 7, 19, 49, 133, 931, 8938229, 62567603, 169826351, 437973221, 1188784457, 8321491199]

約数ペア:

[(1, 8321491199), (7, 1188784457), (19, 437973221), (49, 169826351), (133, 62567603), (931, 8938229)]