80842948

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{4139}}^1$

素因数の和:4419

約数の個数: 24

約数和(自身を含む): 149536800

約数和(自身を除く): 68693852

約数列:

[1, 2, 4, 19, 38, 76, 257, 514, 1028, 4139, 4883, 8278, 9766, 16556, 19532, 78641, 157282, 314564, 1063723, 2127446, 4254892, 20210737, 40421474, 80842948]

約数ペア:

[(1, 80842948), (2, 40421474), (4, 20210737), (19, 4254892), (38, 2127446), (76, 1063723), (257, 314564), (514, 157282), (1028, 78641), (4139, 19532), (4883, 16556), (8278, 9766)]