218509742

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{139891}}^1$

素因数の和:139975

約数の個数: 16

約数和(自身を含む): 362600064

約数和(自身を除く): 144090322

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 139891, 279782, 1538801, 3077602, 9932261, 19864522, 109254871, 218509742]

約数ペア:

[(1, 218509742), (2, 109254871), (11, 19864522), (22, 9932261), (71, 3077602), (142, 1538801), (781, 279782), (1562, 139891)]