81939328

素因数分解:

$2^7\times {\mathrm{640151}}^1$

素因数の和:640165

約数の個数: 16

約数和(自身を含む): 163238760

約数和(自身を除く): 81299432

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 640151, 1280302, 2560604, 5121208, 10242416, 20484832, 40969664, 81939328]

約数ペア:

[(1, 81939328), (2, 40969664), (4, 20484832), (8, 10242416), (16, 5121208), (32, 2560604), (64, 1280302), (128, 640151)]