128941288

素因数分解:

$2^3\times 7^1\times {\mathrm{2302523}}^1$

素因数の和:2302536

約数の個数: 16

約数和(自身を含む): 276302880

約数和(自身を除く): 147361592

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 2302523, 4605046, 9210092, 16117661, 18420184, 32235322, 64470644, 128941288]

約数ペア:

[(1, 128941288), (2, 64470644), (4, 32235322), (7, 18420184), (8, 16117661), (14, 9210092), (28, 4605046), (56, 2302523)]