1278014244818

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{120209}}^1\times {\mathrm{279779}}^1$

素因数の和:400009

約数の個数: 16

約数和(自身を含む): 2017941228000

約数和(自身を除く): 739926983182

約数列:

[1, 2, 19, 38, 120209, 240418, 279779, 559558, 2283971, 4567942, 5315801, 10631602, 33631953811, 67263907622, 639007122409, 1278014244818]

約数ペア:

[(1, 1278014244818), (2, 639007122409), (19, 67263907622), (38, 33631953811), (120209, 10631602), (240418, 5315801), (279779, 4567942), (559558, 2283971)]