81393844

素因数分解:

$2^2\times 7^1\times {\mathrm{607}}^1\times {\mathrm{4789}}^1$

素因数の和:5407

約数の個数: 24

約数和(自身を含む): 163089920

約数和(自身を除く): 81696076

約数列:

[1, 2, 4, 7, 14, 28, 607, 1214, 2428, 4249, 4789, 8498, 9578, 16996, 19156, 33523, 67046, 134092, 2906923, 5813846, 11627692, 20348461, 40696922, 81393844]

約数ペア:

[(1, 81393844), (2, 40696922), (4, 20348461), (7, 11627692), (14, 5813846), (28, 2906923), (607, 134092), (1214, 67046), (2428, 33523), (4249, 19156), (4789, 16996), (8498, 9578)]