397729085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1\times {\mathrm{337}}^1$

素因数の和:693

約数の個数: 32

約数和(自身を含む): 525138432

約数和(自身を除く): 127409347

約数列:

[1, 5, 13, 65, 67, 271, 335, 337, 871, 1355, 1685, 3523, 4355, 4381, 17615, 18157, 21905, 22579, 90785, 91327, 112895, 236041, 293527, 456635, 1180205, 1187251, 1467635, 5936255, 6118909, 30594545, 79545817, 397729085]

約数ペア:

[(1, 397729085), (5, 79545817), (13, 30594545), (65, 6118909), (67, 5936255), (271, 1467635), (335, 1187251), (337, 1180205), (871, 456635), (1355, 293527), (1685, 236041), (3523, 112895), (4355, 91327), (4381, 90785), (17615, 22579), (18157, 21905)]