210880792

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{2671}}^1$

素因数の和:2887

約数の個数: 32

約数和(自身を含む): 404006400

約数和(自身を除く): 193125608

約数列:

[1, 2, 4, 8, 71, 139, 142, 278, 284, 556, 568, 1112, 2671, 5342, 9869, 10684, 19738, 21368, 39476, 78952, 189641, 371269, 379282, 742538, 758564, 1485076, 1517128, 2970152, 26360099, 52720198, 105440396, 210880792]

約数ペア:

[(1, 210880792), (2, 105440396), (4, 52720198), (8, 26360099), (71, 2970152), (139, 1517128), (142, 1485076), (278, 758564), (284, 742538), (556, 379282), (568, 371269), (1112, 189641), (2671, 78952), (5342, 39476), (9869, 21368), (10684, 19738)]