1388501257

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{23857}}^1$

素因数の和:23929

約数の個数: 24

約数和(自身を含む): 1688096648

約数和(自身を除く): 299595391

約数列:

[1, 11, 13, 37, 121, 143, 407, 481, 1573, 4477, 5291, 23857, 58201, 262427, 310141, 882709, 2886697, 3411551, 9709799, 11475217, 37527061, 106807789, 126227387, 1388501257]

約数ペア:

[(1, 1388501257), (11, 126227387), (13, 106807789), (37, 37527061), (121, 11475217), (143, 9709799), (407, 3411551), (481, 2886697), (1573, 882709), (4477, 310141), (5291, 262427), (23857, 58201)]