1293670495

素因数分解:

$5^1\times {\mathrm{13}}^4\times {\mathrm{9059}}^1$

素因数の和:9116

約数の個数: 20

約数和(自身を含む): 1681952760

約数和(自身を除く): 388282265

約数列:

[1, 5, 13, 65, 169, 845, 2197, 9059, 10985, 28561, 45295, 117767, 142805, 588835, 1530971, 7654855, 19902623, 99513115, 258734099, 1293670495]

約数ペア:

[(1, 1293670495), (5, 258734099), (13, 99513115), (65, 19902623), (169, 7654855), (845, 1530971), (2197, 588835), (9059, 142805), (10985, 117767), (28561, 45295)]