66927016

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20759}}^1$

素因数の和:20809

約数の個数: 32

約数和(自身を含む): 139507200

約数和(自身を除く): 72580184

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 20759, 41518, 83036, 166072, 269867, 539734, 643529, 1079468, 1287058, 2158936, 2574116, 5148232, 8365877, 16731754, 33463508, 66927016]

約数ペア:

[(1, 66927016), (2, 33463508), (4, 16731754), (8, 8365877), (13, 5148232), (26, 2574116), (31, 2158936), (52, 1287058), (62, 1079468), (104, 643529), (124, 539734), (248, 269867), (403, 166072), (806, 83036), (1612, 41518), (3224, 20759)]