277061968

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{208631}}^1$

素因数の和:208722

約数の個数: 20

約数和(自身を含む): 543277728

約数和(自身を除く): 266215760

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 208631, 417262, 834524, 1669048, 3338096, 17316373, 34632746, 69265492, 138530984, 277061968]

約数ペア:

[(1, 277061968), (2, 138530984), (4, 69265492), (8, 34632746), (16, 17316373), (83, 3338096), (166, 1669048), (332, 834524), (664, 417262), (1328, 208631)]