261390038

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{4339}}^1$

素因数の和:4692

約数の個数: 32

約数和(自身を含む): 484135680

約数和(自身を除く): 222745642

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 331, 662, 2317, 4303, 4339, 4634, 8606, 8678, 30121, 30373, 56407, 60242, 60746, 112814, 394849, 789698, 1436209, 2872418, 10053463, 18670717, 20106926, 37341434, 130695019, 261390038]

約数ペア:

[(1, 261390038), (2, 130695019), (7, 37341434), (13, 20106926), (14, 18670717), (26, 10053463), (91, 2872418), (182, 1436209), (331, 789698), (662, 394849), (2317, 112814), (4303, 60746), (4339, 60242), (4634, 56407), (8606, 30373), (8678, 30121)]