68921872

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{51899}}^1$

素因数の和:51990

約数の個数: 20

約数和(自身を含む): 135147600

約数和(自身を除く): 66225728

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 51899, 103798, 207596, 415192, 830384, 4307617, 8615234, 17230468, 34460936, 68921872]

約数ペア:

[(1, 68921872), (2, 34460936), (4, 17230468), (8, 8615234), (16, 4307617), (83, 830384), (166, 415192), (332, 207596), (664, 103798), (1328, 51899)]