28657900689

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{811}}^1\times {\mathrm{1070803}}^1$

素因数の和:1071628

約数の個数: 16

約数和(自身を含む): 41735656704

約数和(自身を除く): 13077756015

約数列:

[1, 3, 11, 33, 811, 2433, 8921, 26763, 1070803, 3212409, 11778833, 35336499, 868421233, 2605263699, 9552633563, 28657900689]

約数ペア:

[(1, 28657900689), (3, 9552633563), (11, 2605263699), (33, 868421233), (811, 35336499), (2433, 11778833), (8921, 3212409), (26763, 1070803)]