81276

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1$

素因数の和:541

約数の個数: 24

約数和(自身を含む): 204624

約数和(自身を除く): 123348

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 521, 1042, 1563, 2084, 3126, 6252, 6773, 13546, 20319, 27092, 40638, 81276]

約数ペア:

[(1, 81276), (2, 40638), (3, 27092), (4, 20319), (6, 13546), (12, 6773), (13, 6252), (26, 3126), (39, 2084), (52, 1563), (78, 1042), (156, 521)]