821323756

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{134291}}^1$

素因数の和:134445

約数の個数: 24

約数和(自身を含む): 1579273920

約数和(自身を除く): 757950164

約数列:

[1, 2, 4, 11, 22, 44, 139, 278, 556, 1529, 3058, 6116, 134291, 268582, 537164, 1477201, 2954402, 5908804, 18666449, 37332898, 74665796, 205330939, 410661878, 821323756]

約数ペア:

[(1, 821323756), (2, 410661878), (4, 205330939), (11, 74665796), (22, 37332898), (44, 18666449), (139, 5908804), (278, 2954402), (556, 1477201), (1529, 537164), (3058, 268582), (6116, 134291)]