4139189905

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{421}}^1\times {\mathrm{463}}^1$

素因数の和:1057

約数の個数: 32

約数和(自身を含む): 5188128768

約数和(自身を除く): 1048938863

約数列:

[1, 5, 31, 137, 155, 421, 463, 685, 2105, 2315, 4247, 13051, 14353, 21235, 57677, 63431, 65255, 71765, 194923, 288385, 317155, 974615, 1787987, 1966361, 6042613, 8939935, 9831805, 26704451, 30213065, 133522255, 827837981, 4139189905]

約数ペア:

[(1, 4139189905), (5, 827837981), (31, 133522255), (137, 30213065), (155, 26704451), (421, 9831805), (463, 8939935), (685, 6042613), (2105, 1966361), (2315, 1787987), (4247, 974615), (13051, 317155), (14353, 288385), (21235, 194923), (57677, 71765), (63431, 65255)]