128249238

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1644221}}^1$

素因数の和:1644239

約数の個数: 16

約数和(自身を含む): 276229296

約数和(自身を除く): 147980058

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 1644221, 3288442, 4932663, 9865326, 21374873, 42749746, 64124619, 128249238]

約数ペア:

[(1, 128249238), (2, 64124619), (3, 42749746), (6, 21374873), (13, 9865326), (26, 4932663), (39, 3288442), (78, 1644221)]