1296758528

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{389651}}^1$

素因数の和:389680

約数の個数: 36

約数和(自身を含む): 2787570408

約数和(自身を除く): 1490811880

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 3328, 389651, 779302, 1558604, 3117208, 5065463, 6234416, 10130926, 12468832, 20261852, 24937664, 40523704, 49875328, 81047408, 99750656, 162094816, 324189632, 648379264, 1296758528]

約数ペア:

[(1, 1296758528), (2, 648379264), (4, 324189632), (8, 162094816), (13, 99750656), (16, 81047408), (26, 49875328), (32, 40523704), (52, 24937664), (64, 20261852), (104, 12468832), (128, 10130926), (208, 6234416), (256, 5065463), (416, 3117208), (832, 1558604), (1664, 779302), (3328, 389651)]