81909248

素因数分解:

$2^9\times {\mathrm{159979}}^1$

素因数の和:159997

約数の個数: 20

約数和(自身を含む): 163659540

約数和(自身を除く): 81750292

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 159979, 319958, 639916, 1279832, 2559664, 5119328, 10238656, 20477312, 40954624, 81909248]

約数ペア:

[(1, 81909248), (2, 40954624), (4, 20477312), (8, 10238656), (16, 5119328), (32, 2559664), (64, 1279832), (128, 639916), (256, 319958), (512, 159979)]