1277366956144

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{1308777619}}^1$

素因数の和:1308777688

約数の個数: 20

約数和(自身を含む): 2515470585640

約数和(自身を除く): 1238103629496

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 1308777619, 2617555238, 5235110476, 10470220952, 20940441904, 79835434759, 159670869518, 319341739036, 638683478072, 1277366956144]

約数ペア:

[(1, 1277366956144), (2, 638683478072), (4, 319341739036), (8, 159670869518), (16, 79835434759), (61, 20940441904), (122, 10470220952), (244, 5235110476), (488, 2617555238), (976, 1308777619)]