168041965

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{2657}}^1$

素因数の和:2821

約数の個数: 32

約数和(自身を含む): 250064640

約数和(自身を除く): 82022675

約数列:

[1, 5, 7, 13, 35, 65, 91, 139, 455, 695, 973, 1807, 2657, 4865, 9035, 12649, 13285, 18599, 34541, 63245, 92995, 172705, 241787, 369323, 1208935, 1846615, 2585261, 4801199, 12926305, 24005995, 33608393, 168041965]

約数ペア:

[(1, 168041965), (5, 33608393), (7, 24005995), (13, 12926305), (35, 4801199), (65, 2585261), (91, 1846615), (139, 1208935), (455, 369323), (695, 241787), (973, 172705), (1807, 92995), (2657, 63245), (4865, 34541), (9035, 18599), (12649, 13285)]