28097377

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:277

約数の個数: 32

約数和(自身を含む): 36864000

約数和(自身を除く): 8766623

約数列:

[1, 7, 11, 31, 77, 79, 149, 217, 341, 553, 869, 1043, 1639, 2387, 2449, 4619, 6083, 11473, 11771, 17143, 26939, 32333, 50809, 82397, 129481, 188573, 355663, 364901, 906367, 2554307, 4013911, 28097377]

約数ペア:

[(1, 28097377), (7, 4013911), (11, 2554307), (31, 906367), (77, 364901), (79, 355663), (149, 188573), (217, 129481), (341, 82397), (553, 50809), (869, 32333), (1043, 26939), (1639, 17143), (2387, 11771), (2449, 11473), (4619, 6083)]