81147816

素因数分解:

$2^3\times 3^2\times {\mathrm{1009}}^1\times {\mathrm{1117}}^1$

素因数の和:2138

約数の個数: 48

約数和(自身を含む): 220190100

約数和(自身を除く): 139042284

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1009, 1117, 2018, 2234, 3027, 3351, 4036, 4468, 6054, 6702, 8072, 8936, 9081, 10053, 12108, 13404, 18162, 20106, 24216, 26808, 36324, 40212, 72648, 80424, 1127053, 2254106, 3381159, 4508212, 6762318, 9016424, 10143477, 13524636, 20286954, 27049272, 40573908, 81147816]

約数ペア:

[(1, 81147816), (2, 40573908), (3, 27049272), (4, 20286954), (6, 13524636), (8, 10143477), (9, 9016424), (12, 6762318), (18, 4508212), (24, 3381159), (36, 2254106), (72, 1127053), (1009, 80424), (1117, 72648), (2018, 40212), (2234, 36324), (3027, 26808), (3351, 24216), (4036, 20106), (4468, 18162), (6054, 13404), (6702, 12108), (8072, 10053), (8936, 9081)]