386989131

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1\times {\mathrm{313}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 552640000

約数和(自身を除く): 165650869

約数列:

[1, 3, 19, 57, 109, 199, 313, 327, 597, 939, 2071, 3781, 5947, 6213, 11343, 17841, 21691, 34117, 62287, 65073, 102351, 186861, 412129, 648223, 1183453, 1236387, 1944669, 3550359, 6789283, 20367849, 128996377, 386989131]

約数ペア:

[(1, 386989131), (3, 128996377), (19, 20367849), (57, 6789283), (109, 3550359), (199, 1944669), (313, 1236387), (327, 1183453), (597, 648223), (939, 412129), (2071, 186861), (3781, 102351), (5947, 65073), (6213, 62287), (11343, 34117), (17841, 21691)]