139399390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{56437}}^1$

素因数の和:56476

約数の個数: 32

約数和(自身を含む): 284447520

約数和(自身を除く): 145048130

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 56437, 112874, 282185, 564370, 733681, 1072303, 1467362, 2144606, 3668405, 5361515, 7336810, 10723030, 13939939, 27879878, 69699695, 139399390]

約数ペア:

[(1, 139399390), (2, 69699695), (5, 27879878), (10, 13939939), (13, 10723030), (19, 7336810), (26, 5361515), (38, 3668405), (65, 2144606), (95, 1467362), (130, 1072303), (190, 733681), (247, 564370), (494, 282185), (1235, 112874), (2470, 56437)]