138972478

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{379}}^1\times {\mathrm{1319}}^1$

素因数の和:1839

約数の個数: 16

約数和(自身を含む): 210672000

約数和(自身を除く): 71699522

約数列:

[1, 2, 139, 278, 379, 758, 1319, 2638, 52681, 105362, 183341, 366682, 499901, 999802, 69486239, 138972478]

約数ペア:

[(1, 138972478), (2, 69486239), (139, 999802), (278, 499901), (379, 366682), (758, 183341), (1319, 105362), (2638, 52681)]