1388463988

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{59509}}^1$

素因数の和:59839

約数の個数: 24

約数和(自身を含む): 2566071200

約数和(自身を除く): 1177607212

約数列:

[1, 2, 4, 19, 38, 76, 307, 614, 1228, 5833, 11666, 23332, 59509, 119018, 238036, 1130671, 2261342, 4522684, 18269263, 36538526, 73077052, 347115997, 694231994, 1388463988]

約数ペア:

[(1, 1388463988), (2, 694231994), (4, 347115997), (19, 73077052), (38, 36538526), (76, 18269263), (307, 4522684), (614, 2261342), (1228, 1130671), (5833, 238036), (11666, 119018), (23332, 59509)]