1297875328

素因数分解:

$2^7\times {\mathrm{10139651}}^1$

素因数の和:10139665

約数の個数: 16

約数和(自身を含む): 2585611260

約数和(自身を除く): 1287735932

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 10139651, 20279302, 40558604, 81117208, 162234416, 324468832, 648937664, 1297875328]

約数ペア:

[(1, 1297875328), (2, 648937664), (4, 324468832), (8, 162234416), (16, 81117208), (32, 40558604), (64, 20279302), (128, 10139651)]