12901744

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{13219}}^1$

素因数の和:13288

約数の個数: 20

約数和(自身を含む): 25408840

約数和(自身を除く): 12507096

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 13219, 26438, 52876, 105752, 211504, 806359, 1612718, 3225436, 6450872, 12901744]

約数ペア:

[(1, 12901744), (2, 6450872), (4, 3225436), (8, 1612718), (16, 806359), (61, 211504), (122, 105752), (244, 52876), (488, 26438), (976, 13219)]