206420137

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{1531}}^1$

素因数の和:1669

約数の個数: 32

約数和(自身を含む): 275318784

約数和(自身を除く): 68898647

約数列:

[1, 7, 11, 17, 77, 103, 119, 187, 721, 1133, 1309, 1531, 1751, 7931, 10717, 12257, 16841, 19261, 26027, 117887, 134827, 157693, 182189, 286297, 1103851, 1734623, 2004079, 2680781, 12142361, 18765467, 29488591, 206420137]

約数ペア:

[(1, 206420137), (7, 29488591), (11, 18765467), (17, 12142361), (77, 2680781), (103, 2004079), (119, 1734623), (187, 1103851), (721, 286297), (1133, 182189), (1309, 157693), (1531, 134827), (1751, 117887), (7931, 26027), (10717, 19261), (12257, 16841)]