408029218

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{77249}}^1$

素因数の和:77409

約数の個数: 16

約数和(自身を含む): 648900000

約数和(自身を除く): 240870782

約数列:

[1, 2, 19, 38, 139, 278, 2641, 5282, 77249, 154498, 1467731, 2935462, 10737611, 21475222, 204014609, 408029218]

約数ペア:

[(1, 408029218), (2, 204014609), (19, 21475222), (38, 10737611), (139, 2935462), (278, 1467731), (2641, 154498), (5282, 77249)]