72881968

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{54881}}^1$

素因数の和:54972

約数の個数: 20

約数和(自身を含む): 142912728

約数和(自身を除く): 70030760

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 54881, 109762, 219524, 439048, 878096, 4555123, 9110246, 18220492, 36440984, 72881968]

約数ペア:

[(1, 72881968), (2, 36440984), (4, 18220492), (8, 9110246), (16, 4555123), (83, 878096), (166, 439048), (332, 219524), (664, 109762), (1328, 54881)]