204879784

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{4813}}^1$

素因数の和:5149

約数の個数: 32

約数和(自身を含む): 408130920

約数和(自身を除く): 203251136

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 313, 626, 1252, 2504, 4813, 5321, 9626, 10642, 19252, 21284, 38504, 42568, 81821, 163642, 327284, 654568, 1506469, 3012938, 6025876, 12051752, 25609973, 51219946, 102439892, 204879784]

約数ペア:

[(1, 204879784), (2, 102439892), (4, 51219946), (8, 25609973), (17, 12051752), (34, 6025876), (68, 3012938), (136, 1506469), (313, 654568), (626, 327284), (1252, 163642), (2504, 81821), (4813, 42568), (5321, 38504), (9626, 21284), (10642, 19252)]