27889510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3571}}^1$

素因数の和:3660

約数の個数: 32

約数和(自身を含む): 55551744

約数和(自身を除く): 27662234

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 3571, 3905, 7142, 7810, 17855, 35710, 39281, 78562, 196405, 253541, 392810, 507082, 1267705, 2535410, 2788951, 5577902, 13944755, 27889510]

約数ペア:

[(1, 27889510), (2, 13944755), (5, 5577902), (10, 2788951), (11, 2535410), (22, 1267705), (55, 507082), (71, 392810), (110, 253541), (142, 196405), (355, 78562), (710, 39281), (781, 35710), (1562, 17855), (3571, 7810), (3905, 7142)]