139406128

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{378821}}^1$

素因数の和:378852

約数の個数: 20

約数和(自身を含む): 281843568

約数和(自身を除く): 142437440

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 378821, 757642, 1515284, 3030568, 6061136, 8712883, 17425766, 34851532, 69703064, 139406128]

約数ペア:

[(1, 139406128), (2, 69703064), (4, 34851532), (8, 17425766), (16, 8712883), (23, 6061136), (46, 3030568), (92, 1515284), (184, 757642), (368, 378821)]