399791561

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{379}}^1\times {\mathrm{1531}}^1$

素因数の和:1976

約数の個数: 16

約数和(自身を含む): 440112960

約数和(自身を除く): 40321399

約数列:

[1, 13, 53, 379, 689, 1531, 4927, 19903, 20087, 81143, 261131, 580249, 1054859, 7543237, 30753197, 399791561]

約数ペア:

[(1, 399791561), (13, 30753197), (53, 7543237), (379, 1054859), (689, 580249), (1531, 261131), (4927, 81143), (19903, 20087)]