128707319

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1\times {\mathrm{613}}^1$

素因数の和:1178

約数の個数: 16

約数和(自身を含む): 143587584

約数和(自身を除く): 14880265

約数列:

[1, 13, 31, 403, 521, 613, 6773, 7969, 16151, 19003, 209963, 247039, 319373, 4151849, 9900563, 128707319]

約数ペア:

[(1, 128707319), (13, 9900563), (31, 4151849), (403, 319373), (521, 247039), (613, 209963), (6773, 19003), (7969, 16151)]