67638790

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{48661}}^1$

素因数の和:48807

約数の個数: 16

約数和(自身を含む): 122628240

約数和(自身を除く): 54989450

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 48661, 97322, 243305, 486610, 6763879, 13527758, 33819395, 67638790]

約数ペア:

[(1, 67638790), (2, 33819395), (5, 13527758), (10, 6763879), (139, 486610), (278, 243305), (695, 97322), (1390, 48661)]