257608338

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{11923}}^1$

素因数の和:12218

約数の個数: 32

約数和(自身を含む): 556898496

約数和(自身を除く): 299290158

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 277, 554, 831, 1662, 3601, 7202, 10803, 11923, 21606, 23846, 35769, 71538, 154999, 309998, 464997, 929994, 3302671, 6605342, 9908013, 19816026, 42934723, 85869446, 128804169, 257608338]

約数ペア:

[(1, 257608338), (2, 128804169), (3, 85869446), (6, 42934723), (13, 19816026), (26, 9908013), (39, 6605342), (78, 3302671), (277, 929994), (554, 464997), (831, 309998), (1662, 154999), (3601, 71538), (7202, 35769), (10803, 23846), (11923, 21606)]