81039972

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{519487}}^1$

素因数の和:519507

約数の個数: 24

約数和(自身を含む): 203639296

約数和(自身を除く): 122599324

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 519487, 1038974, 1558461, 2077948, 3116922, 6233844, 6753331, 13506662, 20259993, 27013324, 40519986, 81039972]

約数ペア:

[(1, 81039972), (2, 40519986), (3, 27013324), (4, 20259993), (6, 13506662), (12, 6753331), (13, 6233844), (26, 3116922), (39, 2077948), (52, 1558461), (78, 1038974), (156, 519487)]