81788973568

素因数分解:

$2^9\times {\mathrm{159744089}}^1$

素因数の和:159744107

約数の個数: 20

約数和(自身を含む): 163418204070

約数和(自身を除く): 81629230502

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 159744089, 319488178, 638976356, 1277952712, 2555905424, 5111810848, 10223621696, 20447243392, 40894486784, 81788973568]

約数ペア:

[(1, 81788973568), (2, 40894486784), (4, 20447243392), (8, 10223621696), (16, 5111810848), (32, 2555905424), (64, 1277952712), (128, 638976356), (256, 319488178), (512, 159744089)]