1638896378

素因数分解:

$2^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{563}}^1\times {\mathrm{617}}^1$

素因数の和:1526

約数の個数: 32

約数和(自身を含む): 2827453824

約数和(自身を除く): 1188557446

約数列:

[1, 2, 7, 14, 337, 563, 617, 674, 1126, 1234, 2359, 3941, 4319, 4718, 7882, 8638, 189731, 207929, 347371, 379462, 415858, 694742, 1328117, 1455503, 2431597, 2656234, 2911006, 4863194, 117064027, 234128054, 819448189, 1638896378]

約数ペア:

[(1, 1638896378), (2, 819448189), (7, 234128054), (14, 117064027), (337, 4863194), (563, 2911006), (617, 2656234), (674, 2431597), (1126, 1455503), (1234, 1328117), (2359, 694742), (3941, 415858), (4319, 379462), (4718, 347371), (7882, 207929), (8638, 189731)]