168978814

素因数分解:

$2^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{4139}}^1$

素因数の和:4427

約数の個数: 16

約数和(自身を含む): 257094000

約数和(自身を除く): 88115186

約数列:

[1, 2, 137, 149, 274, 298, 4139, 8278, 20413, 40826, 567043, 616711, 1134086, 1233422, 84489407, 168978814]

約数ペア:

[(1, 168978814), (2, 84489407), (137, 1233422), (149, 1134086), (274, 616711), (298, 567043), (4139, 40826), (8278, 20413)]