28134428

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{79}}^2$

素因数の和:199

約数の個数: 54

約数和(自身を含む): 60529896

約数和(自身を除く): 32395468

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 79, 92, 98, 158, 161, 196, 316, 322, 553, 644, 1106, 1127, 1817, 2212, 2254, 3634, 3871, 4508, 6241, 7268, 7742, 12482, 12719, 15484, 24964, 25438, 43687, 50876, 87374, 89033, 143543, 174748, 178066, 287086, 305809, 356132, 574172, 611618, 1004801, 1223236, 2009602, 4019204, 7033607, 14067214, 28134428]

約数ペア:

[(1, 28134428), (2, 14067214), (4, 7033607), (7, 4019204), (14, 2009602), (23, 1223236), (28, 1004801), (46, 611618), (49, 574172), (79, 356132), (92, 305809), (98, 287086), (158, 178066), (161, 174748), (196, 143543), (316, 89033), (322, 87374), (553, 50876), (644, 43687), (1106, 25438), (1127, 24964), (1817, 15484), (2212, 12719), (2254, 12482), (3634, 7742), (3871, 7268), (4508, 6241)]