1999557627

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{128399}}^1$

素因数の和:128610

約数の個数: 16

約数和(自身を含む): 2773440000

約数和(自身を除く): 773882373

約数列:

[1, 3, 29, 87, 179, 537, 5191, 15573, 128399, 385197, 3723571, 11170713, 22983421, 68950263, 666519209, 1999557627]

約数ペア:

[(1, 1999557627), (3, 666519209), (29, 68950263), (87, 22983421), (179, 11170713), (537, 3723571), (5191, 385197), (15573, 128399)]