138248978

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{519733}}^1$

素因数の和:519761

約数の個数: 16

約数和(自身を含む): 249472320

約数和(自身を除く): 111223342

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 519733, 1039466, 3638131, 7276262, 9874927, 19749854, 69124489, 138248978]

約数ペア:

[(1, 138248978), (2, 69124489), (7, 19749854), (14, 9874927), (19, 7276262), (38, 3638131), (133, 1039466), (266, 519733)]