161790377

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{439}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 207820800

約数和(自身を除く): 46030423

約数列:

[1, 7, 17, 19, 119, 133, 163, 323, 439, 1141, 2261, 2771, 3073, 3097, 7463, 8341, 19397, 21679, 52241, 52649, 58387, 71557, 141797, 368543, 500899, 992579, 1216469, 1359583, 8515283, 9517081, 23112911, 161790377]

約数ペア:

[(1, 161790377), (7, 23112911), (17, 9517081), (19, 8515283), (119, 1359583), (133, 1216469), (163, 992579), (323, 500899), (439, 368543), (1141, 141797), (2261, 71557), (2771, 58387), (3073, 52649), (3097, 52241), (7463, 21679), (8341, 19397)]