2797781168

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1921553}}^1$

素因数の和:1921581

約数の個数: 40

約数和(自身を含む): 6671635488

約数和(自身を除く): 3873854320

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 1921553, 3843106, 7686212, 13450871, 15372424, 24980189, 26901742, 30744848, 49960378, 53803484, 99920756, 107606968, 174861323, 199841512, 215213936, 349722646, 399683024, 699445292, 1398890584, 2797781168]

約数ペア:

[(1, 2797781168), (2, 1398890584), (4, 699445292), (7, 399683024), (8, 349722646), (13, 215213936), (14, 199841512), (16, 174861323), (26, 107606968), (28, 99920756), (52, 53803484), (56, 49960378), (91, 30744848), (104, 26901742), (112, 24980189), (182, 15372424), (208, 13450871), (364, 7686212), (728, 3843106), (1456, 1921553)]