81435392

素因数分解:

$2^8\times {\mathrm{318107}}^1$

素因数の和:318123

約数の個数: 18

約数和(自身を含む): 162553188

約数和(自身を除く): 81117796

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 318107, 636214, 1272428, 2544856, 5089712, 10179424, 20358848, 40717696, 81435392]

約数ペア:

[(1, 81435392), (2, 40717696), (4, 20358848), (8, 10179424), (16, 5089712), (32, 2544856), (64, 1272428), (128, 636214), (256, 318107)]