81780224

素因数分解:

$2^9\times {\mathrm{211}}^1\times {\mathrm{757}}^1$

素因数の和:986

約数の個数: 40

約数和(自身を含む): 164392008

約数和(自身を除く): 82611784

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 211, 256, 422, 512, 757, 844, 1514, 1688, 3028, 3376, 6056, 6752, 12112, 13504, 24224, 27008, 48448, 54016, 96896, 108032, 159727, 193792, 319454, 387584, 638908, 1277816, 2555632, 5111264, 10222528, 20445056, 40890112, 81780224]

約数ペア:

[(1, 81780224), (2, 40890112), (4, 20445056), (8, 10222528), (16, 5111264), (32, 2555632), (64, 1277816), (128, 638908), (211, 387584), (256, 319454), (422, 193792), (512, 159727), (757, 108032), (844, 96896), (1514, 54016), (1688, 48448), (3028, 27008), (3376, 24224), (6056, 13504), (6752, 12112)]