2780490697904

素因数分解:

$2^4\times {\mathrm{1019}}^1\times {\mathrm{170540401}}^1$

素因数の和:170541428

約数の個数: 20

約数和(自身を含む): 5392487511240

約数和(自身を除く): 2611996813336

約数列:

[1, 2, 4, 8, 16, 1019, 2038, 4076, 8152, 16304, 170540401, 341080802, 682161604, 1364323208, 2728646416, 173780668619, 347561337238, 695122674476, 1390245348952, 2780490697904]

約数ペア:

[(1, 2780490697904), (2, 1390245348952), (4, 695122674476), (8, 347561337238), (16, 173780668619), (1019, 2728646416), (2038, 1364323208), (4076, 682161604), (8152, 341080802), (16304, 170540401)]