128618524

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{89071}}^1$

素因数の和:89113

約数の個数: 18

約数和(自身を含む): 237555024

約数和(自身を除く): 108936500

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 89071, 178142, 356284, 1692349, 3384698, 6769396, 32154631, 64309262, 128618524]

約数ペア:

[(1, 128618524), (2, 64309262), (4, 32154631), (19, 6769396), (38, 3384698), (76, 1692349), (361, 356284), (722, 178142), (1444, 89071)]