128778879

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{739}}^1\times {\mathrm{2003}}^1$

素因数の和:2774

約数の個数: 16

約数和(自身を含む): 177955200

約数和(自身を除く): 49176321

約数列:

[1, 3, 29, 87, 739, 2003, 2217, 6009, 21431, 58087, 64293, 174261, 1480217, 4440651, 42926293, 128778879]

約数ペア:

[(1, 128778879), (3, 42926293), (29, 4440651), (87, 1480217), (739, 174261), (2003, 64293), (2217, 58087), (6009, 21431)]