1276339978

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{29243}}^1$

素因数の和:29541

約数の個数: 16

約数和(自身を含む): 1940631840

約数和(自身を除く): 664291862

約数列:

[1, 2, 139, 157, 278, 314, 21823, 29243, 43646, 58486, 4064777, 4591151, 8129554, 9182302, 638169989, 1276339978]

約数ペア:

[(1, 1276339978), (2, 638169989), (139, 9182302), (157, 8129554), (278, 4591151), (314, 4064777), (21823, 58486), (29243, 43646)]